Please note This is the expansion pack & requires the base game to play Base game not included The official Binding of Isaac multiplayer card game about sacrifice betrayal & hoarding 2-4 players take turns playing loot cards & using items to kill monsters that yield more items loot & sometimes souls The first player to end their turn with 4 souls is the winner Cooperation barter & betrayal is encouraged Players 2-4 Playing time 30-60 mins Ages 13