Achievements are one of the most innovative features of games for this generation of consoles. Hearkening back to the old arcade days when you had to play just one more time to see your name on the high score list, achievements add play value to games. Maybe you're gamerscore isn't up to snuff, though, and you are looking for some co-op games to keep the achievement points rolling in?
Testfreaks has you covered, with a list of the best and worst games for getting achievements without much trouble. Wondering where your favorite co-op titles stack up?
Any LEGO Game, Spider-Man: Friend or Foe, Any Viva Pinata Game, Mercenaries 2, Halo 3, Crackdown, Left 4 Dead, Saints Row 1 & 2, Duke Nukem 3D, DOOM, Aegis Wing,
Guitar Hero III: Legends of Rock, C&C Red Alert 3, Army of Two, Gears of War, TMNT 1989 Arcade.