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BlackJack Math is a game about mixing the cards to match the correct formula in order to get 21 as a result. Swap the cards in order to find the correct order to solve the puzzles.
Price history tracked since Jul 7, 2026 · vs all tracked offers.
Based solely on tracked price history — not purchase advice.
How it worksTracked since Jul 7, 2026.
Steam Social Deduction Fest ends
Third-party resellers. Often cheaper, without official store support.
Welcome to BlackJack Math!
Tease your brain in this number logic game where all answers are 21 (because we're talking about blackjack, right?)
Swap the cards, make the math, repeat. That's all you'll need in order to complete this game!
Key features
Handcrafted Levels
The game comes with 50 handcrafted levels that will tease your brain.
Simple controls
The game is played simply by swaping the cards in order to change the math result to be 21.
Relaxing music
Originally composed music to help you focus and relax while solving the puzzles (that if you do wish, can be downloaded for free in our soundtrack page!).
