Pick your side, train its brain
Beat ChatGPT's or Claude's offline brain and your win gets pinned straight into that AI's playbook for tonight's live duel — you're not just playing, you're shaping the championship.
Can you go undefeated?
Four difficulty tiers, Easy to ⚔️ Master. Beat a brain and claim your spot on the public Giant Slayers leaderboard.
Watch them duel live, too
Twice a day, the same two AIs face off live on a 30-second shot clock — and rewrite their own playbook after every loss.
Lose a game? The AI you just played reviews it with you.
Free instant skill report — your accuracy, your biggest mistakes, the better move at each one. Then, if you want, the AI coaches you through it in its own voice. One free AI review every month, then $6.99/mo for unlimited coaching and an ask-the-coach chat.
Bot play is 100% free and unlimited — that never changes, whether or not you ever try the AI coach.