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The Four Colour Theorem

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About The Four Colour Theorem

The Four Colour Theorem is a colouring puzzle game. You colour pictures so that no two touching areas share a colour, then try to achieve the top score.

Colouring puzzles

The game has 50 handcrafted levels, ranging from simple to fiendishly difficult. Its puzzles are based on the mathematical result known as The Four Colour Theorem, and are easy to learn but hard to master.

Create and share levels

You can make your own levels and share them with friends using the MyLevels folder.

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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