All levels

Odd One Out

Use a clearly stated visual rule to find the one shape that does not match.

How to play

Read the rule shared by three shapes, then choose the one that does not match. After success, explore the outlines and explanations on the three matching shapes.

Three shapes have only straight sides; a circle is the exception. Later rules combine shape and pattern or direction and pattern. Colours do not decide the answer. No timer or penalty; Undo and Reset keep discoveries, and Next puzzle waits for you.

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