Next cheapest is £12.93 @ thehut.
* The ultimate in fast paced high-octane action.
* Exploits the power of Xbox 360 for astounding visuals and special effects.
* Incredible interactivity within new arenas and environments.
* Multiplayer modes including online battle.
* 2 player offline multiplayer mode.
* Online Multiplayer via Xbox LIVE: Co-Op Mode (2 to 10 players), System Link Mode (2 to 16 players) and Multiplayer Mode (2 to 64 players).
* Completely customisable mechs.