New Review - Action Replay DS Official GBAtemp Review GBAtemp's official review of the Action Replay DS is now up! Action Replay is a cheat device for the DS made so that you can exploit your games. Beta tracks in Mario Kart DS can be unlocked, unlimited Meteos can be added to your bank and you will be able to see through walls in Metroid Prime Hunters. ÂAction Replay DS If you are thinking about delving into the world of cheats and codes on your DS then be sure to check it out. Please leave your comments on the review in this thread.