Horde Mode/Tower Defense
Obviously Splatoon 2 already has a horde mode with the new Salmon Run, but this would be more of a traditional type of mode, similar to something you see in Gears of War. It would be nice to switch things up from collecting Salmonid eggs, and maybe go for an all out defense of certain areas. For this, Splatoon would need to create Ink machines, turrets, that help defend your areas and ink the field. Some turrets would directly attack enemies, some could function as radars to warn you, while others continuously ink areas to slow down enemies and allow you to swim. You could even introduce a brand new enemy type, or combine the forces of Salmonids and Octarians for even more variation.
A more traditional horde mode seems like a no-brainer, as it’d allow Splatoon 2 to introduce new enemies, weapons, and some unique gadgets for Inkling culture. Salmon Run is a much needed change from the Splatoon formula, but it’s still strange that it’s only available for limited time windows. Introducing another wildly different type of horde mode would mean Splatoon 2 could alternate between the two and have that type of co-op gameplay available at all times.
