A method and apparatus is disclosed for verifying the outcome of a game played on a gaming machine having at least one rotatable reel, the position of the at least one reel associated with the outcome of the game. The apparatus includes at least one image collection device arranged to collect one or more images of the reel(s) for use in verifying the position of the reel(s) at one or more times. Session data may also be collected and stored. In one embodiment, the image collection device comprises a camera, and the apparatus includes a controller and a memory for storing image information. In accordance with a method, image information regarding the position of the one or more reels of the gaming machine is collected. In one embodiment, the image and session information is stored locally and/or transmitted to a remote location via a communication link.