This is an incredibly fun CBT game, with simple yet novel rules and jerk off instructions to follow. We're essentially playing Blackjack - 21 or Bust. I'll draw cards, and if I get a 21, you get to cum! But if we go over (bust), you have to bust your balls! I've worked out that there should be 1 or 2 natural 21's per deck, so you stand a good chance of an orgasm (or two!), you just might have to endure some pain to get there. To make things 'fair' and keep you motivated, I've added some rules - some cards = edging, others = me stripping off my clothes, and others still...well, you'll have to play to find out