Which games of your collection Did you regret Buying?

[Gamerace]

Oblivion on 360

CoD:WaW on Wii - I only got it because my son & friend were badgering me to get it so we could all play online, but I sucked so bad they didn't want to continue playing with me. Couldn't get into the storymode either. Believe it not, much preferred Conduit's single player.