
Screenshots

Watch trailer on Steam ↗Underflow
Triple Hill Interactive · Published by Grindstone · Official site ↗
Last updated 27 Sept 2026
Explore the strange, underwater world of Underflow as you build your own biomechanical army by capturing enemy nanobots and recruiting them to your side. Use your own lifeforce to attack enemies – and heal allies – in a real-time strategy adventure like no other!
Action, Indie, Simulation, Strategy · More free games
In Underflow, command an evolving force of underwater creatures, blending simulation and strategy as you recruit and upgrade nanobots. Engage in dynamic battles using your own energy for attacks and healing.
About this game
Key Features
- Ammunition is Life: Take your life literally into yours hand as you channel your own energy into your weapons to attack.
- Nothing is Destroyed! Repair and capture destroyed enemy units and send powerful squads to assault their bases.
- Explore an Alien World: Search the dark and forgotten corners of a fallen culture in an underwater alien world overflowing with strange corals and mysterious ruins.
- You Control the Outcome: The end of the story depends upon which of the strange artificial lifeforms you ally with… and the price you're willing to pay to achieve their goals.
Supported using public funding by Slovak Arts Council

System Requirements
Will my PC run this? →Minimum
- OS *: Windows 7
- Processor: 2 GHz
- Memory: 2048 MB RAM
- Graphics: DirectX 11 compatible graphic card
- DirectX: Version 11
- Storage: 3 GB available space
- Sound Card: DirectX 11 compatible sound card
Recommended
- OS: Windows 10
- Processor: Intel® Core™ i7-7700 or AMD Ryzen 7 1700X
- Memory: 8 GB RAM
- Graphics: nVidia GTX 1050 or AMD R9 285
- DirectX: Version 12
- Storage: 3 GB available space
- Sound Card: DirectX 11 compatible sound card






