Bathyscaphe
Released 15 October 2026 · PC · Adventure, Casual, Indie

Pilot a heavy submersible through dark underwater caves. Reveal the route with sonar, recover lost cargo and carry it to the far lock. Fight currents, falling rock and curious predators while propulsion, sonar and electric defense drain the same battery.
Story
You can only see so far. Your echo travels further. Bathyscaphe is a single-player 2D underwater exploration game about deliberate movement, uncertain terrain and getting a fragile machine through a hostile place. A human pilot is sealed inside your submersible. Ahead lies a dark passage. Somewhere near the seabed is a lost container. Find it, secure it and deliver it to the receiving lock at the far end of the sector. See by sound Send a sonar pulse into the dark and watch the cave take shape. The echo fades, leaving you to judge the next passage from what you remember. Cargo remains visible up close; at a distance, its position appears only briefly when your sonar finds it. A clearer picture costs power—and nearby predators can hear your signal. Feel the weight Thrust builds speed. Releasing the controls does not bring you to a stop. Brake before a bend, counter a current and leave room beneath the hull for your suspended cargo. Active stabilization helps you hold position, but it also draws from the battery. Choose what the battery is for Propulsion, sonar and close-range electric defense share one reserve. A discharge can drive nearby creatures away, but it will not...
Gameplay
You can only see so far. Your echo travels further. Bathyscaphe is a single-player 2D underwater exploration game about deliberate movement, uncertain terrain and getting a fragile machine through a hostile place. A human pilot is sealed inside your submersible. Ahead lies a dark passage. Somewhere near the seabed is a lost container. Find it, secure it and deliver it to the receiving lock at the far end of the sector. See by sound Send a sonar pulse into the dark and watch the cave take shape. The echo fades, leaving you to judge the next passage from what you remember. Cargo remains visible up close; at a distance, its position appears only briefly when your sonar finds it. A clearer picture costs power—and nearby predators can hear your signal. Feel the weight Thrust builds speed. Releasing the controls does not bring you to a stop. Brake before a bend, counter a current and leave room beneath the hull for your suspended cargo. Active stabilization helps you hold position, but it also draws from the battery. Choose what the battery is for Propulsion, sonar and close-range electric defense share one reserve. A discharge can drive nearby creatures away, but it will not clear a rockfall or pull you out of a bad approach. Make space, wait for a lull and commit when you are ready. Fifteen routes into the dark Travel from the Silent Shelf to hydrothermal passages,...
Features
- Single-player
- Family Sharing






Release details
Bathyscaphe is a Adventure, Casual and Indie game by WaterGamers. Bathyscaphe came out on Thursday, 15 October 2026 on PC. This date comes from Steam and was last checked on 15 October 2026.
Frequently asked questions
When did Bathyscaphe come out?
Bathyscaphe came out on 15 October 2026.
Which platforms is Bathyscaphe on?
Bathyscaphe is on PC.
Who makes Bathyscaphe?
Bathyscaphe is developed by WaterGamers.
What kind of game is Bathyscaphe?
Bathyscaphe is a game of these genres: Adventure, Casual and Indie.