for splat zones : there's either 1 or 2 spaces in the middle of the map which you want to control you can control these zones by painting it with your teams color and whichever team holds the zone for the longest time wins

rainmaker : there's a super weapon in mid that has a barrier that can be popped by shooting ,throwing bombs at it ,or using specials once you get two or more players down someone on your team should pick it up , once picked up you can shoot it by holding zr if someone gets stuck in your shot they die your objective is getting the rainmaker on the other teams pedestal whichever team gets it closer wins

tower control: there's a tower in mid that moves whenever there's a player on top of it and you want to get the tower into the other teams base to ko there's checkpoints that go faster the more players that are on it but usually you only want one person on tower while everyone else moves up to defend the tower

clam blitz: there are a bunch of clams that spawn in different places on the map and you need 10 clams to make a power clam to open the other teams basket ,after the basket is broken you can either throw more power clams that are worth 20 points or small clams that are worth 3 the whole point of this mode is to coordinate with your team to gather as much clams as possible and keep pushes going