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Petris

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About Petris

Petris is a retro-style tiling game in which horizontal and vertical rectangular stripes fall from above. You rotate and move them left or right to form squares and clear lines.

Three stripes of the same type form a square; horizontal and vertical stripes cannot be combined. A full line consists of 10 horizontal squares. When you clear one, it disappears and anything above it falls. The game speeds up as you progress, and ends when there is no room for more stripes to fall.

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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