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Zenku

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About Zenku

Zenku is a number puzzle game built around filling a 4×5 grid. Each puzzle has a unique solution, with rules for the numbers in each row and column and in two colored sections.

You fill the grid with numbers from 1 to 5, making sure none repeat in a row or column. The numbers in each row must also add up to the result shown beside it, and both colored sections must contain all five numbers from 1 to 5. The game includes 100 puzzles and a YinYang mode, where you solve puzzles within 2 minutes.

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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