Litmustest, a retro survival horror from Underwater Castle Inc., will offer a free Steam demo beginning August 14.
Watch the trailer
What the new demo reveals
The game channels late-90s survival horror, blending exploration, inventory management, environmental puzzles, and tense combat inside a secret Soviet research facility.
The development team, Underwater Castle Inc., is an independent studio based in Santiago, Chile, and Litmustest marks their first title.
What we know about Litmustest
Key features listed include fixed cameras, inventory/resource management, intricate puzzles, and a haunting atmosphere.
The official demo trailer has drawn over 6,000 views.
Release date and platforms
A free Steam demo will be available starting August 14.
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