The Sims 4: How to Do the Upgrowth Challenge

How to Do the Upgrowth Challenge in The Sims 4

The variety of different challenges created by The Sims 4 community provides plenty of different ways for you to get your Sim on. While some challenges require little more than a few seconds of your time, others can be delightfully complicated and demand your attention for weeks. If you have been looking for a new challenge that truly focuses on complexities and providing a unique experience within The Sims 4, the Upgrowth Challenge is exactly what you’re looking for. Be mindful that this is not a challenge for the weary and it’s highly recommended that newbies follow video tutorials to make sure you don’t completely ruin the lives of other Sims you have become attached to.

It’s also fair to note that this challenge is a bit heavier than others. While some challenges focus on recreating Disney Princesses or just having fun with the randomize function in CAS, the Upgrowth Challenge rightfully warns about the likelihood of randomized deaths even for younger Sims. So just make sure you’re prepare before you dive in.

Also keep in mind that while most challenges ban the use of mods, this is a challenge that offers extra immersion when you download certain mods. So be ready to mod it up and even change game settings in order to really get the full effect of the Upgrowth Challenge, if you want to.

The Upgrowth Challenge is all about following a single family tree through history, starting with the 1890s and all the way through the 2080s. This challenge allows you to see how the world develops and builds around you throughout history and throughout a series of random events that are determined by rolling dice.

So if you’re still here, you must also still be interested. So let’s get started.

How to Get Set Up For The Sims 4 Upgrowth Challenge

In order to do the Upgrowth Challenge, you will need to have the following DLCs:

• Get Together
• Get to Work
• Recommended but not required: City Living, Dine Out, Parenthood

You will start the challenge in Windenburg but keep in mind that this challenge also limits what areas of the map you’re actually allowed to use for certain things.

• The section circled in yellow is reserved specifically for starting your family, placing your family home, creating homes for neighbors and placing other social spaces for your Sims.
• The section circled in red serves as the “downtown core” where you can expand shops, restaurants, and any other public spaces. In the beginning, however, you will only be allowed to place four different buildings.
• The section circled in blue is considered an extension of the residential area where you can add more homes and families. In the beginning of the challenge, however, this section will remain empty.
• The section circled in green is considered a “subsection of the downtown area.” You will keep this space empty for several decades during the challenge.

In order to abide by these rules, however, you may have figured out that there will be some deleting involved. For this reason, it’s important that you start this mod on a completely separate save file. The concept here is that the world is supposed to grow and develop as you progress through the challenge, which means you will need to delete all the other homes and buildings taking up space on the map. The challenge creator also gives you the option of changing the appearance of certain Sims to match the starting decade of the challenge (1890s).

You are allowed to select any lot to move into as long as the lot is inside the yellow area of the map. You can also choose whether you want to start the challenge as a single Sim or as a couple, but if you start as a single Sim you will need to be a Young Adult male.

You will also be allowed to use money cheats to build your home but keep in mind that once the building is over, your money will need to be reduced to $1,000 for a single Sim and $2,000 if you start the challenge as a couple. If you also want to start the challenge with kids, you are allowed to give yourself a total of $3,000 but this number remains the same no matter how many children you start the challenge with.

Rules for Setting Up Your Lot and Building Your Home

You are allowed to use money cheats to build your home as long as you adjust the money once the building process has been completed. If you don’t want to build a home, there are pre-made homes available to download from the gallery. All you’ll have to do is search the hashtag #UpgrowthChallengeBuild.

• You can’t have any items that use electricity except for a refrigerator and stove. This means you’ll want to use candles, lanterns and large windows for lighting.
• You are allowed (and recommended) to have a sewing machine, loom, notebook, and teapot.
• You can have a bathtub but no shower.
• Toilet must be placed outside to recreate an outhouse. Also, all CC plumbing that makes sense for the given decade can be used as well.
• All furniture must be wooden or stone.
• You are allowed to place debug fishing spots on the lot.
• If you want to have a farm or garden you are allowed to start with plants already planted.

Rules for Lifespan and Time Progression

This is a pretty lengthy challenge so it’s highly recommended that players use the normal lifespan progression length or even opt for the short lifespan length. You will not be allowed to manually age up any of your Sims before their birthday so make sure you adjust the lifespan progression length to fit your personal level of patience.

There are two different ways to determine when you should advance to the next generation. The first option is to start a new generation whenever the first born child during the current generation reaches the Young Adult life stage. The other option is to track generations by days instead. In this scenario you will have less time to focus on building your family but it does create a more consistent gameplay experience. If you prefer this method, you will start a new generation every 20 years.

• Short lifespan: New decade starts every 22 Sim days
• Normal lifespan: New decade every 40 Sim days
• Long lifespan: New decade every 156 Sim days

Optional Mods and CC For The Sims 4 Upgrowth Challenge

As previously mentioned, this challenge really thrives when you use mods, especially during the generations that simulate old time periods. If you aren’t comfortable with using mods but really want to give the challenge a shot, you still can! Just close your eyes whenever your sims take out their cellphone during the 1890s. The challenge creator is introducing a “light” version of the challenge that can be played without the use of mods entirely, too. For those who have no qualms about using mods, though, here are all the ones you can take advantage of for the challenge.

• MC Command Center
• Reduced Random Townies Generation
• No More Selfies
• Child and Teen Can Quit or Rejoin School
• Adult Careers for Teens
• Military Career
• Functional Ancient Loom
• Functional Sewing Machine
• Writing Notebook
• Old Times Music Gadgets
• Portable Washing Bowl
• Teapot

Generation Rules For The Sims 4 Upgrowth Challenge

Antique Generation (1890s – 1900s)

• Marriage can only happen between a male Sim and a female Sim
• Teens are allowed to get pregnant and married
• Not allowed to WooHoo before getting married
• Boats needed for travel outside of yellow area
  • Buy a boat by saving up $1,225 (the cost of Captain Chaz MacFreeling’s Galleon). Once you have saved enough money, purchase this item and put it into your household inventory. This will allow you to travel to the other areas of Windenerg as long as this item is still in your inventory.
  • Build a boat by getting your handiness level to 6 by using the woodworking table. Give yourself an extra $1,000 once you achieve this and buy the Captain Chaz MacFreeling’s Galleon. This means you will only pay $225, which represents the cost of materials.
  • Keep in mind that travel rules via boat always apply: Only three Sims can travel together at at time and no children are allowed to travel alone.
• Once you are married, you are only allowed to Try For a Baby or have Risky Woohoo
• Women are only allowed to become the next heir if there are no male siblings in the family
• Heirs are required to continue living on the first lot for this generation
• Female Sims can only move out if they are married
• Babies can only be breastfed. In the event that a child’s mother dies, you will need to hire a wet nurse for the family. While the game will not give the wet nurse the option to breastfeed, the wet nurse will be the only one allowed to feed the child with a bottle. This creates the illusion of breastfeeding. You will also need to subtract $5 every day from your funds in order to pay the nurse.
• Only male Sims are allowed to have a career or work from home
  • Available careers for this generation: Business (Management path), Military, Painter, Manual Laborer
  • Work from home options: Farmer (bring in income by growing and selling vegetables and fruit) and Carpenter (sell whatever you Sim makes on the woodworker table)
  • Male Sims can also own a retail store or restaurant if they want
• Female Sims must cook, clean, care for the children, and tend to the house. They are allowed to do light gardening (no farming) and can use the sewing machine for one hour every day. Female Sims are also allowed to use the loom, which functions as a computer in The Sims 4.
  • Female Sims are allowed to farm, paint and sell food if their husband dies
• Teens are not required to go to school
• Sims are allowed to make preserves/canned goods using the canning station (this is completely optional but recommended)
• Only male Sims can use the notebook for writing
• No electronic devices are allowed during this generation
• Volunteering is allowed for the women and children but this requires the Parenthood Expansion Pack
• You can only sell paintings if there is a male Sim with the painters career in the household

When to Roll the Dice

This challenge requires you to roll dice to determine certain outcomes. During this generation you will need to roll the dice during pregnancies, while aging and to determine a Sim’s health.

• Pregnancy: Roll two dice during the last trimester of a pregnancy. If you roll doubles the baby did not survive and you must use the MC Command Center to terminate the pregnancy. Roll the dice again to determine if the mother survives the pregnancy. If you roll snake eyes, the mother passed during childbirth and you must delete her using the MC Command Center. Note that if the baby survived their roll you will need to wait until after the baby is born to delete the mother.
• When Aging: Every time a Sim reaches the Adult life stage you will need to roll two dice. If you roll doubles then this Sim dies prematurely and you will need to delete them using the MC Command Center. You will do this one time every week.
• When Sick: Roll two dice whenever a Sim gets sick. If you roll snake eyes, the Sim will die of sickness. Keep in mind that you are not allowed to give medicine. For this reason, it’s recommended that sick Sims are kept away from others in the home.

Generation Rules For The Sims 4 Upgrowth Challenge

Burnished Generation (1910s – 1920s)

• Make sure you change your Sims’ fashion to reflect the new time period
• If you didn’t buy or build a boat during the first generation you can now pay $20 total to use a ferry instead. You can subtract the money from your funds by purchasing the Mega Houseplant Pot and placing it in your household inventory. You can also cheat codes to simply reduce your funds by $20.
• Drinking is no longer allowed except for back rooms of speak-easy bars
  • You can find a speak-easy bar to place in the downtown area by searching #UpgrowthChallengeBuilds in the gallery. You also have the option of building your own speak-easy.
• Start a secret drinking club and meet behind a locked club door in the speak-easy
• Female Sims are now allowed to become heirs but only if there are no males born before her
• Female Sims can now move out even if they aren’t married
• Babies can be bottle fed by anyone in the home
• Upholstered furniture, paint, and wallpaper are now allowed
• Indoor plumbing and electricity are allowed but you still can’t place showers
• Vacations are now allowed but you will need to adhere to all the same building rules when creating vacation lots
• Female Sims can now practice writing by using the notebook
• Anyone can sell paintings now
• Male Young Adult Sims are encouraged to join the Military career
  • Other careers that are now available: Entertainer, Criminal, Doctor, Culinary (Chef path only)
• Female Sims who are widows will now be allowed to have the following careers: Painter, Culinary, Entertainer
  • Once they become married again, they will need to leave the job and become a housewife
• Music box and Gramophone are now allowed
• Female Teen Sims are now required to go to school

When to Roll the Dice

During this generation you will need to roll the dice during pregnancies, if an Elder Sim gets sick, and to determine the outcome of a fiery disaster.

• Pregnancy: If any Adult Sim gets pregnant you will roll two dice. If you roll doubles, the baby did not survive and you must terminate the pregnancy by using the MC Command Center. Roll the dice again to determine if the mother will survive the pregnancy. If you roll snake eyes the mother dies in childbirth and must be deleted using the MC Command Center.
• Elder Sim Gets Sick: If an Elder Sim gets sick you will need to roll two dice. If you roll snake eyes the Sim will die of sickness.
• Fiery Disaster: At the start of the generation a fire breaks out downtown. You will need to roll one dice to see how widespread the damage is.
  • Roll 1: Only one building is impacted by the fire and you are allowed to rebuild it using an art Deco style.
  • Roll 2: Only one building is impacted but it can’t be rebuilt. You will have to bulldoze one building.
  • Roll 3: One building is completely burned down and will need to be bulldozed. The building next to it was also impacted by the fire but not destroyed. You will have to update this building.
  • Roll 4: Two buildings were completely burned down and need to be bulldozed. You can rebuild the two buildings using an art Deco style.
  • Roll 5: Two buildings were completely burned down and need to be bulldozed. A third building near these two buildings was also impacted and will need to be updated.
  • Roll 6: Three buildings were destroyed in the fire. You will need to bulldoze all three and rebuild them using an art Deco style.

Generation Rules For The Sims 4 Upgrowth Challenge

Classic Generation (1930s – 1940s)

• Make sure you change your Sims’ fashion to reflect the new time period
• No boats or ferries are needed for travel
• All of your male Teen, Young Adult, and Adult Sims must quit their careers unless they are on the Military career track. These Sims are shipped off to war and must be moved out of the house and onto a lot that will be deemed the war zone
  • Married Sims are allowed to Try for Baby before leaving to join the war zone
• Male Sims will be away at war for 1 week (short lifespan), 2 weeks (normal lifespan), or 3 weeks (long lifespan)
• Women may continue working at any of the stores, restaurants or farms that the family may have owned while the men are away at war
• Women are now always allowed to become heir
• Add two new buildings to downtown Windenburg
  • Remember to use a building style reminiscent of the 1940s
• You can’t upgrade any of the pre-existing properties
• War times have caused food to become scarce. Because of this, each Sim will only be allowed one cooked meal each day. Your Sims are allowed to eat harvestable or scavenged food
• Business has suffered due to the war. Business Career is now locked. If any of your Sims own a retail store or restaurant you will need to subtract 30% of your household funds to represents business loss
• You may add a movie theatre lot but you can only watch The Khlumzee Sisters as this is the only black and white movie available
• You can now add a radio
• Scavenge items to sell from the junk yard
• There can be no parties or events during this generation. If Sims want to get married they will have to elope
• When Sims come home from war they are not allowed to join a new career until a full week has gone by since they have been back. They are allowed to farm, fish, paint woodwork, and scavenge.
  • Male Sims who were already in the military career can keep their career unless they were wounded during the war (this will be determined by rolling dice)
• Every Sim that returns from war will need to have one trait changed to Hot-Headed or Mean
• Children are required to go to school.
• Female teens are encouraged to go to school but male teens are required to go to war
• New careers available:
  • For male Sims: Police officer, Education (teacher and administration), Culinary (mixology path), writer
  • For female Sims: Education (teacher path only), babysitter, retail sales
• Sims are now allowed to take medicine

When to Roll the Dice

Keep in mind that you will no longer need to roll the dice to determine the outcome of pregnancies or illness anymore. For this generation, rolling the dice will determine what happens to your Sims during the war. Roll the dice for every male Sim you have to see how they will be impacted by the war.

• Roll 1 or 2: Your Sim guess off to war and dies in combat
• Roll 3 or 4: Your Sim was wounded in combat. This Sim is no longer allowed to farm or use the woodworking table.
  • Can no longer join the Military, Criminal, Doctor or Police Officer Careers
• Roll 5 or 6: This Sim is one of the lucky ones and lives without any issues

If you had a Sim that was already in the Military Career when the war started, you will have a separate list of outcomes for them. Sims who were already in the Military have an increased chance of coming home without getting injured.

• Roll 1: Your Sim died in combat
• Roll 2: Your Sim was wounded in combat
• Roll 3, 4, 5 or 6: You Sim will live without issue

Generation Rules For The Sims 4 Upgrowth Challenge

Dandy Generation (1950s – 1960s)

• Make sure you change your Sims’ fashion to reflect the new time period
• Baby Boom! All married Sims should be trying for a baby. It is recommended that you go into other unplayed houses and have these Sims Try for a Baby as well
• No more restrictions on food now that the war is over
• Parties and events are allowed again
• You are allowed to make upgrades to your home again but make sure your house still reflects the current time period
• Showers, carpet, pattern, and tile flooring are now available
• TVs are allowed but you can’t use flat screen TVs yet
• Sims are now allowed to get divorced
• Add three new public lots to Windenburg
  • Add to the area that is circle in Green (the lower right portion of the area)
  • You can build your own or use the gallery (#UpgrowthChallengeBuilds)
• Pools, butlers, maids, and nannies are all available
• Sims are allowed to use birth control and WooHoo before getting married
  • Teens are allowed to mess around
• Cameras are allowed but all pictures should be black and white
• Bubble blower is available
• Sims are allowed to travel to any world except San Myshuno or Forgotten Hollow
• Sims are allowed to be a street performer playing the guitar or violin for money instead of joining a Career track
• All children and teens are required to go to school
• New careers available:
  • Male Sims: Biologist (Pharmacy, clinical research, pharmaceutical industry), Secret Agent, Athlete (body builder path only), Art or Restaurant Critic, Politics
  • Female Sims: Women are now allowed to join any of the careers that were once available to men excluding the new careers that were just added during this generation

When to Roll the Dice

During this generation you will need to roll a dice to determine which cult your Sim joins. It is recommended that you use a non-bloodline inheriting Sim to start or join a cult due to the risk of death.

• Roll 1: Your Sim starts the Friends of Fortune cult, which is a money-making scheme. You will need to change one of their traits to Kleptomaniac and you will add $1,000 to the household funds each week. At the end of this generation, however, your cult followers will realize that you are a fraud and resign.
• Roll 2:  Your Sim will start the Dragon Empire cult as a way to just have power over others. Change one of their traits to Evil and add $1,000 to your funds ever week. The twist here is that you will need to sacrifice a townie Sim every week as well. At the end of this generation, your once loyal followers will turn on you and sacrifice you instead. The Sim that created the cult must be deleted.
• Roll 3: Your Sim will start the Brother Nature cult so they can find a way to enjoy and connect with nature along with other Sims. Change one of their traits to Vegetarian or Loves Outdoors. This Sim will be moved out into a lot with the other cult members. You are allowed to continue playing this Sim or you can simply move them out and forget about them until the end of the generation when this Sim returns home.
• Roll 4: Your Sim will join the Woohoo Womb cult, which is essentially just a large group of Sims that love to make love. Give all Sims in the cult the Player trait and allow them to flirt, kiss, and woohoo with each other as much as they wish. Be prepared for the possibility of several new babies joining the family. The cult will fall apart at the end of the generation.
• Roll 5: Your Sim will join the Grilled Cheezus cult, which is a cult dedicated to all things grilled cheese. The Sim will only eat grilled cheese and you must change one of their traits to foodie or glutton. Subtract $1,000 from your funds every week to pay for your Sim’s addiction to grilled cheese. By the end of the generation, however, your Sim will be sick of grilled cheese.
• Roll 6: Your Sim will join the Anarchy Echo cult and will use it as a way to act out their dark desires. Change one of their traits to Insane and subtract $1,000 from your funds every week to pay for all the damage your Sim’s dastardly deeds have caused. This Sim will be killed at the end of the generation.

Generation Rules For The Sims 4 Upgrowth Challenge

Expressionist Generation (1970s – 1980s)

• Make sure you change your Sims’ fashion to reflect the new time period
• The age of the arts is here! Arts are incredibly popular and you’ll need to add an Arts Center or Museum to the downtown area
• Sims are becoming more environmentally friendly. Add a large park to the downtown extension.
• Arcade culture is booming! Add an arcade to the downtown extension.
• Bowling is all the rage! Add a bowling lane to a lot
• Microwaves, coffee makers, tea makers, and dishwashers are all allowed
• You can update any furniture to the 80s style
• TV home workouts are now available
• Change bill percentage back to default in MC Command
• Teen marriages are frowned upon so you may disallow teen marriages in MC Command if you want but this is not required
• Same sex relationships are allowed but not common. Keep in mind that same sex marriages are still not permitted
• Spend some time in the great outdoors by camping in the national park
• You can now watch any channels on TV and photos no longer have to be black and white
• You can now visit San Myshuno’s Spice and Arts District
• You are allowed to go to the spice festival, humor and hijinks festival and the flea market
• Boom-box stereo is unlocked
• You are allowed to build an observatory
• New careers available for this generation (Note that all these careers are now available to both men and women):
  • Fashion career, Business, Astronaut, All Athlete careers, All Biology careers, Fast Food Employee

When to Roll the Dice

You will roll the dice for two occasions during this generation. First, you will need to determine what kind of addiction your Sim will struggle with. Next, you will roll the dice to pick an artistic passion that at least one Sim will pick up.

Deciding Addiction:

• Roll 1 or 2 and your Sim will quit their addition cold turkey. Replace their traits to Hot Headed or Squeamish and Gloomy for one week. You can replace Squeamish with Lazy if you don’t have the Outdoor Retreat pack.
• Roll 3 or 4 and your Sim will resort to stealing to support their addiction. At the end of this generation your Sim will quit just before they go to jail. Replace their traits with Kleptomaniac, Active, and Outgoing until the end of the generation.
• Roll 5 or 6 and your Sim will party themselves into an early grave. Change your Sim’s traits to Mean, Dance Machine, and Insane. Your Sim will die at the end of the generation.

You will also roll the dice to pick an artistic passion that one Sim in the household must pick up. They must join a creative career and get max out their level on one of the following skills.

• Roll 1: Guitar
• Roll 2: Painting
• Roll 3: Piano
• Roll 4: Writing
• Roll 5: Violin
• Roll 6: Photography

Generation Rules For The Sims 4 Upgrowth Challenge

Fast Generation (1990s – 2000s)

• Make sure you change your Sims’ fashion to reflect the new time period
• Every Teen Sim who ages up during this generation will either be a rebel or preppy. You will roll the dice to determine.
• Same sex marriage is allowed. Change the gender marriage restriction in MC Command Center.
• You can now remove the Reduced Townie mod if you want
• A retail boom is taking over! Add more shops to the blue region in Windenburg and make sure your Sims are spending money here
  • The retail boom also comes with some serious materialism. Every Young Sim who ages up during this generation must be given the Materialistic trait
• You may update your home to a style that fits the 1990s and 2000s but this is not mandatory
• Your Sims can now visit any neighborhood in San Myshuno or visit any of the festivals
• Computers, gaming consoles, ice cream makers, and hot tubs are allowed
• Cell phones are allowed but you can’t use them to watch videos or browse the Internet
• This is the age of partying! Throw at least one huge party during this generation.
• Careers unlocked: Tech Guru, Scientist, Freelance Photographer

When to Roll the Dice

You will need to roll the dice for every Sim that ages into a Teen during this time.

• Roll even numbers: Your Teen Sim will be preppy. Give them the cheerful, bookworm, geek, ambitious, neat, snob, good, and outgoing traits
• Roll odd numbers: Your Teen Sim will be a rebel. Give them the creative, gloomy, hot headed, self assured, slob, kleptomaniac, loner, and mean traits
• It is highly recommended that you also change their attire to match their new personalities

Another disaster! What exactly that disaster will be is depends on what you roll.

• Roll 1 or 2: A flash flood ruins all the furniture on the bottom level of your home and you will need to replace it all. You will also need to wipe out any crops or plants.
• Roll 3 or 4: A tornado tosses a tree through the window of a bedroom in the home but everyone is alright. You will need to replace the window and all furniture in one of your bedrooms.
• Roll 5 or 6: Someone left the door unlocked and a burglar took advantage of the mistake. All electronics have been stolen from the house.

Generation Rules For The Sims 4 Upgrowth Challenge

Golden Generation (2010s – 2020s)

• Make sure you change your Sims’ fashion to reflect the new time period
• Fill up the rest of the empty lots in Windenburg with whatever you want!
• The rise of the Helicopter Parent has begun. Give every Teen who ages up during this generation the childish trait to simulate coddling
• Businesses are taking another hit due to the stock market crashing. Any Sim with a business career must quit. If your Sim owns any retail stores or restaurants or has a home business you will need to subtract 30% of your total household funds
• The digital age brings about tons of fighting on the Internet. Give all Sims that age up into a Young Adult during this generation the Self Assured trait.
• Flat screen TVs, modern computers, tablets and all other electronics are now allowed
• You can now use all commands for mobile phones
• Void Critters allowed
• Anything modern is now allowed!
• Careers Unlocked: Social Media, Social Media career for teens
  • Keep in mind that no Sims are allowed to buy a store or restaurant at this time

When to Roll the Dice

One of your Sims accidentally posted a video and it has gone viral. Will this lead them to stardom or be a major social disaster? Roll to find out.

• Roll 1: The video was a sex tape. While your Sim was able to get the video taken down, a lot of people already saw it. Give this Sim the Gloomy trait.
• Roll 2: The video was a clip of your Sim talking trash about their boss. Your Sim loses their job and you’ll need to change one of their traits to Loner.
• Roll 3: Your Sim’s video captured them showing off a cool but pretty useless talent. Either way, it gets positive attention and makes this Sim pretty happy. Give this Sim the Cheerful trait.
• Roll 4: Your Sim auditioned for a dating show and the video got out. Turns out they were a hit and everyone wants to date them now but your Sim isn’t willing to settle down now. Change one of their traits to Non-Committal.
• Roll 5: The video was of an original song that your Sim wrote but the bad news is that the song was absolutely terrible. Your Sim takes it in stride though and embraces the flop by following it up with a parody. Change one of their traits to Goofball.
• Roll 6: The video was an informative video that receives a ton of praise. The catch is that the praise isn’t about the information being shared, it’s about the cute friend that made an appearance. Change one of your Sim’s traits to Jealous.

Generation Rules For The Sims 4 Upgrowth Challenge

Hostile Generation (2030s – 2040s)

• Well this is awkward. Turns out the president is really an alien and he just revealed that to the world. The alien invasion has begun. All able bodied Teen Sims, Young Adults, and Adults are expected to help fight by quitting their jobs and joining the Military Career. You are allowed to have one parent stay at home to tend to children and the house.
• All electronics are now malfunctioning and the power has been cut. Only candles and lanterns can be used for lighting.
  • Can’t partake in activities that require electricity
• School is unavailable – have all children quit school
• Food is scarce so your Sims will want to start farming and gardening. Sims are only allowed to eat one cooked meal every day.
• The bridge has been destroyed. You can no longer leave the neighborhood.
•  All clothing should be plain or dirty to reflect the poor state of the world
• Sims will need to read logic skill books as they search for a solution to the alien invasion
• No events are allowed and marriages can only be eloped
• Consider bringing back the old sewing machine and notebook

When to Roll the Dice

Aliens have destroyed certain buildings and areas with heat beams. Roll the dice to find out what they destroyed.

• Roll 1: Any library/museum/art center or any other place of learning
• Roll 2: Any gym/spa/sport center
• Roll 3: Any restaurant/bar/club
• Roll 4: Any park
• Roll 5: Any retail store
• Roll 6: Your Choice

You will also need to roll the dice to determine your Sim’s fate after they were sent off to fight back against the alien invasion.

• Roll 1 or 2: Your Sim dies in combat
• Roll 2 or 3: Your Sim was wounded in combat. This Sim will return home in two weeks but will no longer be able to farm, pick up a career, or work on the woodworking table.
• Roll 5 or 6: Your Sim will live on without any issues. They are allowed to return home at the end of the generation.

Generation Rules For The Sims 4 Upgrowth Challenge

Intelligence Generation (2050s – 2060s)

• Unfortunately, the alien invasion was successful and aliens have started mining resources and enslaving Sims. Your family rushes off to an underground bunker to keep your family safe. The bunker will have:
  • No electricity
  • an icebox/cupboard fridge or cooler
  • toilet
  • sink
  • one counter
  • beds or tent
  • chess board
  • wood working table
  • camp fire or grill
  • bookshelf
• You may only eat produce you grew during the last generation, canned food and preserves or anything you can cook on a campfire or grill. You are only allowed one cooked meal per day.
• Get at least one Sim to level 10 handiness and level 10 logic
• Maxing out these skills give the Sim the ability to build a device that blocks alien transmission, restores power (lights can be used again) and allows all Sims to use electronics. You can exit the bunker now.
  • Computers can be used again but you have no Internet connection
  • Phones can only play games, take pictures or anything else that doesn’t require data or talking on the phone
• You are now allowed to sell crops but you can sell items in the house to pay bills.
• Available Careers After Leaving Bunker: Scientist Career available for the Sim that reaches level 10 in logic and handiness
• Keep Sims dressed in dirty, tattered clothes.

When to Roll the Dice

After your Sims are allowed to leave the bunker, you will need to roll the dice to determine what they can do to help stop the invasion.

• Roll 1: Appeal the aliens emotions and convince them that Sims deserve to live in peace. They leave and reward the Sims by rebuilding the bridge and replacing what was destroyed in the invasion.
• Roll 2: Your Sim tries to appeal to their emotions but it doesn’t work. They aliens eliminate all elders are retaliation. Eventually the aliens mine the rest of the planet and leave but only after all elders have been eliminated.
• Roll 3: Your Sim successfully appeals to them with a deal. The Sims agree to teach the aliens about their lifestyle and invite them to come live among them. The aliens decide to move on in and get settled. Add alien households to Windenburg.
• Roll 4: Your Sim tries to appeal with a deal but it doesn’t work. The aliens reject the idea of living among the humans and joining their lifestyle and decide to take one person from each household as retaliation. You must pick a member of your household to be sacrificed.
• Roll 5: You appeal to them with intelligence and it works! The aliens are impressed with your intellect and decide to leave but not before they reward you with some new alien technology! The freeze gun and cloning machine can now be used.
• Roll 6: You make a failed attempt to appeal with intelligence. A male and female are taken from your household to be used as test subjects. Select one male and female Sim to be deleted as they are taken away for science experiments.

Generation Rules For The Sims 4 Upgrowth Challenge

Justice Generation (2070s – 2080s)

• The alien invasion is over and the extraterrestrial invaders decide to leave! You are left with the task of rebuilding this world. Fill in any empty lots in Windenburg and updates any building you would live to update. Add a new community lot for your Sims to meet together and discuss important events.
• The bridge has been fixed! Travel is available again.
• Farming is a particularly important career right now. If your Sim owns a farm that is producing crops, you are allowed to sell crops and gain an extra $5,000 every week.
• Business is also coming back strong! Add $5,000 to your funds every week if you own a retail store or sell goods.
• A second baby boom? A marriage boom? Surviving the alien invasion has caused Sim’s to live like there’s no tomorrow! Get your Sims hitched and have as many babies as possible to make sure your family’s bloodline is carried on.
• One of your Sims joins the political career in hopes to become the next president.
• Interior design becomes very minimalist and almost sterile. Renovate your home to reflect this change.
• Start a council (club) and meet at the community lot to share ideas about future events.
• Internet, TV, radio and all other electronics are back to normal
• Pastels are a huge fashion trend! Add pastel colors to all Sims’ wardrobes and hair.
• Young Sims are partying more than ever! They Woohoo as they please and unplanned pregnancies seem to be the norm.
• Careers available: Military, Biologist, Doctor, Astronaut, Scientist, Education
  • Home Careers: Farmers, Laborer/Carpenter
  • Note that retail stores and restraints are now running again
• Children are now allowed to return to school

When to Roll the Dice

Your family is about to grow unexpectedly. Roll the dice to figure out how.

• Roll 1: An orphan shows up at your doorstep and you decide to take them in. Add a new child to your household that is unrelated to your family.
• Roll 2: One of your neighbor’s lost their entire family during the invasion. You decide to welcome him in. Add a new Adult male Sim to your household that is unrelated to your family.
• Roll 3: Someone leaves a baby in a basket on your doorstep. You decide to keep the child and raise them as your own. Adopt a baby from the computer and give yourself back the cost.
• Roll 4: A Teen girl has runaway from home and has been sneaking onto your porch to sleep at night. You decide to welcome her in. Add an unrelated Teen girl to your household.
• Roll 5: A Teen boy wants to do some work around the house for money. It isn’t long before you realize he is homeless. Invite him in to leave with you. Add an unrelated Teen male Sim to your household.
• Roll 6: Your choice of any of the above.