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Thalassomania

Coming soon

OffTheHookGamesDiscovered Oct 10, 2026

About the game

A PS1-style co-op horror game for 1–4 players. Set at sea, you run a fishing trawler with your crew, haul, gut, steer, repair! while something lurks in the shadows. Keep the ship alive. Get home. You're not alone out there.

Original Steam description

Thalassomania is a PS1-style horror game for 1–4 players. You've taken a job on a fishing trawler: work the catch, keep the ship running, and bring the crew home. But somewhere out on the water, something else came aboard.
FREE DEMO OUT BY TOMORROW (28TH) AT THE LATEST (STILL WAITING FOR STEAM TO REVIEW)
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This is a working trawler, and you're the crew. Haul in the nets, gut and stow the catch, keep the engine fed, and hold your heading through the dark. The jobs are spread all over the ship, so getting them done means splitting up and spending more time alone than you'd like. 

Demo and release information

No demo is verified in the current check data. This does not mean the game has never had a demo; check its Steam page for current availability.

Steam demo, playtest and Early Access: what is the difference?

Information & artwork: Steam · Last checked UTC