Borderlands 2 - Mac Choose from all new characters and classes including the Gunzerker, who can dual-wield any two weapons in the game Share your adventures with friends both online and via LAN with a seamless co-op system enabling you to drop in and drop out of a campaign without ever having to restart the game Improved story integration which finds you left for dead in the frozen tundra of Pandora as you begin your quest of revenge and redemption An entirely new take on the groundbreaking procedural system means millions upon millions of possible weapons In addition to the new gun system, players lust after procedurally generated shields, grenades, alien artifacts, class mods and much, much more