I know this isn't strictly related to the mechanics of the game but I do feel it needs to be addressed. There is a fair bit of flippant usage of "retarded" and it is used in a derogatory manner. While I feel this is a bit insensitive and could have been replaced with something more tasteful that still got the point across. I get that there might be an argument that the rocket using character (who uses the word) is immature and thus it's juvenile use is justified but it doesn't excuse the use.