Online co-op expansion pack
Focusing on team play and intense combat, the online co-op expansion pack adds a new co-operative game mode in which you and up to three online friends must survive against impossible odds. Fight waves upon waves of enemies in four new arena maps, featuring a unique leveling system and new unlocks.
Three online co-op map packs
Each map pack consists of two brand-new arena maps you can play in co-op mode with your friends. Please note that these arena maps will only work with the online co-op expansion pack.
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