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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 Train Fest starts Jul 20, 2026
Third-party resellers. Often cheaper, without official store support. Keyshop prices vs Steam →
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!).
Lowest tracked price: €0.49 (Jul 7, 2026) · current best: €0.57 across 2 stores.
86% positive reviews all-time · 0 peak players in the last 30 days.
Right now the cheapest offer for BlackJack Math is €0.57 at K4G. KingsPrice compares 2 offers from 2 stores — official stores and keyshops — and refreshes prices throughout the day.
The lowest price KingsPrice has tracked for BlackJack Math is €0.49 (recorded on Jul 7, 2026). This covers the stores and period we monitor — set a price alert to catch the next drop to that level.
BlackJack Math peaked at 0 concurrent players on Steam in the last 30 days (highest on Jul 7, 2026). The player chart on this page updates daily.
Keyshops are marketplaces that resell game keys, usually below official store prices. The keyshops listed on KingsPrice deliver genuine Steam keys, but buyer protection differs from official stores — check the shop's rating and refund policy before buying. You can hide keyshop offers at any time with the keyshops toggle. Keyshop prices vs Steam →
Create a free price alert on this page and KingsPrice will email you when BlackJack Math drops below your chosen price. The biggest discounts usually appear during seasonal Steam sales and publisher promotions — the sale calendar on this page shows the next confirmed event.
