Legendary moves from battling super-villains to battling chest-bursting, face-hugging, acid-for-blood-having Aliens for the first-ever Alien Deck Building Game! Players must work both with other players to defeat the terrifying Xenomorphs using the greatest characters in the Alien Universe! Each Core Set comes with over 500 playable cards featuring all original art!  Also includes with a Game Mat as well to help organize the playing field.