Transformers: Fall of Cybertron demo is available now on Xbox Live and will be out later today on PSN when the store updates. The demo features both single and multiplayer modes of cybernetic warfare. The single-player mode, sadly, does not let you try out Dinobot Grimlock, instead placing youin the role of Bumblebee, along with the Decepticon Vortex.
The multiplayer portion features Team Deathmatch and Conquest modes, along with the option to try out the game's character customizer.
Transformers: Fall of Cybertron will transform into a retail box and roll out on August 21.