
Screenshots

Watch trailer on Steam ↗Submersa
3TK Games · Published by 3TK Games · Official site ↗
Last updated 28 Sept 2026
Submersa is an underwater exploration game where you operate a functional submarine and manage its systems while exploring dangerous ocean depths. Control ballast, power, oxygen, fuel, and pressure as you descend into hostile environments.
Adventure, Indie, Simulation · More free games
Operate a submarine and master its complex systems as you explore treacherous underwater environments. In Submersa, your decisions on ballast, oxygen, and fuel determine whether you thrive or succumb in this immersive indie adventure.
About this game
Submersa is an underwater exploration and survival game focused on realism, immersion, and system-driven gameplay. You operate a functional submarine and explore deep, hostile ocean environments where survival depends on preparation, awareness, and understanding how your vessel works.
The game is built around managing interconnected submarine systems such as ballast, power generation, oxygen supply, fuel consumption, pressure resistance, and structural integrity. These systems are not abstract menus. They exist physically within the submarine and must be monitored and operated directly. Poor decisions, system failures, or pushing too deep too quickly can turn a dive into a critical situation.
Exploration in Submersa is slow and deliberate. Visibility is limited, navigation relies on instruments, and sound plays an important role in situational awareness. The ocean is unpredictable and often disorienting. Players uncover wrecks, abandoned structures, and unknown locations through observation rather than objective markers or guided paths.
The submarine interior is fully interactive. Players move between compartments, operate consoles, activate equipment, and respond to emergencies in real time. The game prioritises tension, atmosphere, and immersion over combat or fast-paced action.
Submersa is designed for players who enjoy realistic mechanics, environmental storytelling, and learning complex systems through experience. Progress comes from understanding your submarine, adapting to increasing depth, and respecting the dangers of the ocean.
System Requirements
Will my PC run this? →Minimum
- OS: Windows 10 (64-bit)
- Processor: Intel Core i5-8400 or AMD Ryzen 5 2600
- Memory: 8 GB RAM
- Graphics: NVIDIA GTX 1060 (3GB) or AMD RX 580
- DirectX: Version 11
- Storage: 10 GB available space
- Sound Card: DirectX compatible sound card
- VR Support: Not supported
Recommended
- OS: Windows 11 (64-bit)
- Processor: Intel Core i7-9700 or AMD Ryzen 7 3700X
- Memory: 16 GB RAM
- Graphics: NVIDIA RTX 3060 or AMD RX 6600 XT
- DirectX: Version 12
- Network: Broadband Internet connection
- Storage: 10 GB available space
- Sound Card: DirectX compatible sound card
- VR Support: Not supported
Supported Languages
*languages with full audio support






