From serene island towns to hostile alien planets, co-op survival games offer the perfect mix of exploration, creativity, and teamwork. Whether you're building skyships in Aloft, sailing seas in Sea ...

GameSpot may get a commission from retail offers. If you've been looking for an online co-op game with some Alien vibes, the upcoming top-down tactical shooter DarkSwarm might just tickle your fancy.

These Xbox 360 games featured fantastic co-op gameplay that rewarded those who explored every inch of their levels and world.