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Code Correction

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About Code Correction

Code Correction is a puzzle game based on parity and Hamming codes. Each puzzle generates a binary code and a key from that code, then inverts one digit in the original code. You use the key to find the digit that changed.

Puzzle sizes

The modes offer five grid sizes, with these numbers of possible combinations:

  • 2x2: 64 combinations.
  • 4x4: 1,048,576 combinations.
  • 8x8: Over 1,180,000,000,000,000,000,000 combinations.
  • 16x16: A very large number of combinations.
  • 32x32: More puzzles than any human can solve in a lifetime.

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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