Congruence
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About Congruence
Congruence is a puzzle game in which you combine two pairs of pentominoes into two shapes with matching outlines. For an extra challenge, you can hide the outline until you find it.
Frequently asked questions
The best price for Congruence is $1.99 at Steam. It is the only shop with an offer that activates in your country.
The minimum requirements for Congruence are: Windows 10, 4 GB RAM, 100 MB storage. It runs on Windows only. The recommended specs are in the System requirements section.
No. Congruence is a single-player game.
Yes. Congruence is the full base game. You need nothing else to play it.
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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