Top of my head.

Trine Series (2 specifically) Terraria Minecraft or Luanti Risk of Rain TF2 MvM Don’t Starve together DeepRock Galactic Torchlight 2 Sea of Thieves (Custom seas) Zero-K SarCraft 2 co op Shadow Warrior 2 Crime Boss Rockay City Payday 2 Gauntlet Slayer Edition E.Y.E Devine cybermancy Battle Block Theater Magicka Monaco Cult of the Lamb