Transformers: Revenge of the Fallen game now available; features of different versions

The Transformers: Revenge of the Fallen game is now available, in time for tomorrow's movie release. There are plenty of different versions of the game available, created by 5 different game developers. The Nintendo DS also features 2 different versions: Autobots and Decepticons. With all the variety, you can expect different gameplay. So here's a breakdown of what you'll find in each one, with features noted by Activision.