Speed Gear is a fantastic speed hack software to change game speed. It can hack the speed of all kinds of games. Speed Gear is very easy-to-use, you can press an easily accessible hotkey to speed game up, slow game down or adjust game to the speed you feel most comfortable with.
Speed Gear will give you brand new experience while playing games. For example; with this program you can slow down action games so that you can beat boss easily.
Speed Gear supports Windows 9x, ME, NT, 2000, XP, Vista and 7, almost all the Windows OS.
More information from program website