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Opus Magnum

Indie

Opus Magnum is the latest open-ended puzzle game from Zachtronics, the creators of SpaceChem, Infinifactory, and SHENZHEN I/O. Design and build machines that assemble potions, poisons, and more using the alchemical engineer’s most advanced tool: the transmutation engine!

GEM score

0.35

24h

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GEM rank

#1,709 of 78,759

Indie rank

#677 of 55,832

Scores as of 19 Jul 2026

Free view: this score is three months behind the live score.