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Stack Machines

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About Stack Machines

Stack Machines is an open-ended puzzle programming game. You place instruction modules on a grid to direct four stack machines as they read, transform and output input sequences. You can optimize solutions for size, module count, speed and cost-effectiveness.

Puzzle features

The game includes a wrapping, resizable board and open-ended puzzles with many possible optimizations. It tracks four optimization metrics and includes solution video recording and histograms.

Frequently asked questions

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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