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BlackJack Math

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About BlackJack Math

BlackJack Math is a number logic game where every answer is 21. You swap cards to change the result of each calculation and complete the puzzles.

Puzzle levels

The game has 50 handcrafted levels, with originally composed music to accompany you as you solve them.

Frequently asked questions

Buy BlackJack Math 35% cheaper than on Steam.

BlackJack Math is available for 35% less in shops such as K4G.

Steam lets publishers create keys to sell in other shops. Once you activate a key, the game is yours to keep, just like a store purchase.

Disclaimer: CD keys have an inherent 1–2% average failure rate. Check the shop terms for buyer protection info. Steam offers no buyer protection for keys bought in other shops and doesn't refund them.

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