The Chaos and Carnage expansion adds variability to your Robo Rally games with three new double-sided game boards featuring new elements like teleporters, randomizers, and crushers! Also includes 5 brand new Upgrade cards! Features: Teleporters: Get around obstacles quickly by porting to the other side. Randomizers: Need some help? Try your luck. Crushers: Dangerous to robots, only in certain registers. 5 new upgrade cards. Contains: 3 Double-Sided Factory Game Boards, 5 Upgrade Cards.