Exploding Kittens: NSFW Edition (Explicit Content - ADULTS ONLY!) Exploding Kittens NOT SAFE FOR WORK Edition is a card game for people who are into kittens and explosions and boob wizards and sometimes butts. This NSFW Edition of Exploding Kittens is an ADULT ONLY party game for 2-5 players (up to 9 players when combined with any other deck). This is the most-backed project in Kickstarter history and all cards feature illustrations by The Oatmeal. Includes 56 cards (2.5 x 3.5 inches), box, and instructions. This box includes a hologram for authenticity.