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A daily deduction puzzle: four example shapes show what fits a hidden rule. Classify five mystery shapes, seal your answers, see the real rule. Three rounds, 75 seconds, same for everyone. Each shape is a circle, square or capsule with 1-3 dots, striped or plain. Four clues are marked yes or no; answer YES or NO for five mystery shapes, then press SEAL. 200 points per right answer, plus a time bonus if all five are right. Rules get trickier over three rounds.
How to play
Rulebreak runs in a desktop or mobile browser at barumba.gg, with nothing to install. It supports mouse and touch controls. It is a single-player game. A typical session lasts under 5 minutes.
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