So I'm looking for a new cooperative multiplayer game for my social group to take up. We used to play a lot of the same games, but now we've started to splinter so I'm looking for a new game we can hopefully all enjoy.
Games we've enjoyed playing together in the past:
-DotA, HoN, and some of us enjoy LoL.
-Team Fortress 2
-Diablo 2
-Left 4 Dead
-Various MMORPGs
-Battlefield Heroes
-Alien Swarm
A few parameters:
-PC
-Cooperative multiplayer for at least 4 people
-No FPS or MMORPGs unless they have some extremely unique and redeeming feature.