The pre-orders goodie for the game will be the Monkey Business Pack.
If you pre-order the game at GameStop you will receive the Monkey Business Pack for PS3 and Xbox 360. The pack includes four bonus single-player missions, where Hurk straps monkeys with explosives and sends them to blow-up his enemies. It also includes two multiplayer bonuses.
Watch the trailer for the DLC pack right here. Far Cry 3 releases on November 29 2012.
