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Photochemistry

Also known as Photochemistry, p, photochemistry

Photochemistry is a challenging 2D puzzle game about synthesizing chemicals to sustain plant life in a post-apocalyptic setting. Design and construct elaborate mechanisms to produce complex compounds from simple particles.

Last update
22 May 2026
Original sources
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Latest update
Announcement

Catalyst Update - Available Now

The Catalyst Update is now available for all players! I'm most likely going to forget a few changes, but here's the ones I can recall: FEATURES - A new act featuring 7 new levels - A new NPC - Simplified Chinese support…

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Latest updates

Update history

Browse past updates and patch notes for this game.

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Gallery

In-game media