Best 共円 alternatives: games like 共円 - 円を作ったら負けの数学パズル

10+ similar games compared and reviewed

4.7 avg rating
9 free games
Updated November 2026

Whether you want more options like 共円 or a completely different take on the same concept, our curated list of 10+ similar apps and games has you covered. Updated for 2026 with the latest ratings and comparisons.

Top Alternatives to 共円

5.0(1 ratings)
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This is a geometric puzzle game where players select four stones on a board that lie on a common circle. It offers over 10,000 stages with increasing complexity, requiring spatial reasoning and logic. The clean design focuses on the puzzle itself.

PrimeNumbersGirl#2

PrimeNumbersGirl by radiuthree Co., Ltd

Prime Numbers...love it?
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Embark on a love story adventure centered around prime numbers. Engage in a simple yet captivating game where you must quickly determine if given numbers are prime. Success unlocks positive outcomes, while incorrect answers may lead to playful reprimands.