19: The series' name is kind of meaningless now because none of the games actually have anything to do with each other. This game's predecessor had some great ideas, but awful execution, so although it reviewed well, many people (including myself) kind of despise it. This game's villain is widely praised.
18: The protagonist's name is kind of similar to my username. I'm pretty sure playing this game without cheats would have been no fun at all. The subject matter is really, really awesome, which is part of why I prefer it to its "predecessor" (though I love both).
17: A criminally overlooked game about a tribe's fight for survival and domination of the galaxy.