And it's not just a precursor to friendslop--Portal 2 also predates the mini-renaissance of co-op-only games led by Hazelight ...

Some of the Best Co-Op Games are Still Stuck on Older Systems, unable to be played officially on current hardware.

The new game mode lets players synergize their builds and strategize during fights to make runs easier.

Yotei Legends is a set of co-operative, Player versus Enemy (PvE) modes that focus around teams clearing waves of enemies and some combat-based puzzle solving. There are three game modes in Yotei ...

Fortnite players can unlock perks for Battle Royale and Save the World by completing Act II milestones.