Uncover the mystery of Thalassa, a first-person psychological drama set under the sea. Ill-fate has fallen on your former crew and friends and it’s up to you to find answers onboard the wreckage. Experience the melancholic underwater journey of human stories facing life and loss.
Some in-game text is small and may be difficult to read
This game requires manual configuration of graphics settings to perform well on Steam Deck
This game is incorrectly scaled on Steam Deck and may require you to configure the display resolution manually
All functionality is accessible when using the default controller configuration
This game shows Steam Deck controller icons
Note: This game does not default to external Bluetooth/USB controllers on Deck, and may require manually switching the active controller via the Quick Access Menu
SteamOS:
This game runs successfully on SteamOS
Note: This game is incorrectly scaled on SteamOS and may require you to configure the display resolution manually
Note: This game does not default to external Bluetooth/USB controllers on SteamOS, and may require manually switching the active controller via the Quick Access Menu
