Thalassomania
Thalassomania is a PS1-style 4-player multiplayer psychological horror. Stranded on a derelict ship, you and your friends must navigate, repair, and steer the ship home while evading the lurking terror that is onboard with you. Can you survive, or will you become a lost soul in the sea’s abyss?
Last Updated: 10/20/2025
| Developer | OffTheHookGames |
| Publisher | OffTheHookGames |
| Steam App Id | 3050090 |
Thalassomania
Thalassomania is a PS1-style 4-player multiplayer psychological horror. Stranded on a derelict ship, you and your friends must navigate, repair, and steer the ship home while evading the lurking terror that is onboard with you. Can you survive, or will you become a lost soul in the sea’s abyss?
Last Updated: 10/20/2025
- Windows
- Mac
- Linux
About Thalassomania
Thalassomania is an Action, and Simulation game developed by OffTheHookGames. It was released on the Steam Store by OffTheHookGames.
It can be played and ran on Windows systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.
According to Steam’s category system, Thalassomania supports the following features:
- Co-op
- Multi-player
- Steam Achievements
- Single-player
- Family Sharing
- Online Co-op
- LAN Co-op
Media & Sceenshots
Watch the featured video for Thalassomania and see the latest screenshots from the Steam Store.
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Frequently Asked Questions
Soures & References
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Thalassomania data has been sourced from:
- Valve Corporation. (2025, October 20). Thalassomania on Steam. Steam Store.
- Valve Corporation. (2025, October 20). Thalassomania. Steam Community Hub.