Key Features
- Command and manage your submarine and its various systems in adrenaline-filled co-operative gameplay.
- Play as the captain or any of the 4 other character classes, with up to 16 players per submarine.
- Single Player campaign, sandbox mode, and single missions also available.
- Procedural levels and events ensure no two games will ever be exactly alike
- Each submarine has multiple crew operated systems, from nuclear reactors to sonar, guns, engines and more
- Comprehensive crafting system to create tools, drugs and weapons
- Navigate dangerous environments to achieve mission goals or simply explore and travel deeper into the game world
- Explore alien ruins and wrecked submarines along the way to discover rare and powerful artifacts and other resources
- Fully integrated mod tools allow you to create and transform the game via Steam Workshop. Submarine editor, character and procedural animation editor, procedural level editor, sprite and particle editors - unleash your creativity!
\n\nHello everyone!\n\nWe have just released a hotfix to address issues in the Autumn Update 2025. Find the full list of changes below, and make sure to update your game to the latest version to receive the fixes. \n\nv1.10.6.0\n\n- Fixed contextual orders no longer working even if you were within radio/speaking range of a bot.\n- Fixes to several multiplayer exploits, including one that allowed clients to cause server-side lag by sending specifically crafted messages to the server, even if the server didn\'t allow them to join.\n- Fixed a bug caused by the water flow changes in the previous update: water flow through gaps in inside the submarine was much faster than intended when there were multiple breaches on the submarine\'s outer hull.\n- Reduced the water flow through gaps when the hulls on are not linked. Linked hulls are intended to behave as if they were one room, and should allow unrestricted water flow.\n- Railgun shells now disappear shortly after the first impact: the change in the previous update (which allowed them to penetrate multiple limbs/targets) had the side-effect that a shell that went through a single limb could fall back on the submarine and still do full damage.\n\n
Minimum Setup
- OS: Ubuntu 14.04 LTS
- Processor: 2.0 GHzMemory: 4 MB RAM
- Memory: 4 MB RAM
- Graphics: 128 MB Video Memory. OpenGL 3.0+ support
- Storage: 350 MB available space
Recommended Setup
- OS: Ubuntu 18.04 LTS
- Processor: 3.0 GHzMemory: 8 MB RAM
- Graphics: 256 MB Video Memory. OpenGL 3.0+ supportNetwork: Broadband Internet connection
- Storage: 350 MB available space
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