Was just talking about game soundtracks with Psy the other day, one we both agreed on that was applicable to this thread is the Tekken series. Awesome games, but god damn the soundtracks are always so hideously awful. Can only thing of one song that is good on Tekken 6. A lot of fighting games have generally poor soundtracks imho, wish more of them would take as much care as Arc Systems do. Guilty Gear and Blazblue series both have incredible soundtracks. Ragna's theme from Blazblue is one of the best video game tracks i've ever heard, love fighting to it as I find it really amps up the tension in an already ridiculously fast paced and over the top game.

Most sport games have truly awful soundtracks as well, EA in particular are terrible for that.