Third installment of Splatoon.
- Turf War - A multiplayer mode playing similar to Regular Battles in previous games
- Anarchy Battle - A multiplayer mode playing similar to Ranked Battles in Splatoon 2 with a group of rotating game styles
- Salmon Run: Next Wave - An updated multiplayer mode
- Return of the Mammalians - A single-player campaign focusing on the New Squidbeak Splatoon member Agent 3 as they deal with the onset of Fuzzy Ooze, a substance that bestows mammalian traits onto creatures that touch it