Free games like AquaNox
Below are 8 free-to-play Steam games similar to AquaNox, ranked by player overlap and content similarity. No purchase or Steam login required to view the list. Every pick is a full free-to-play title — not a demo, trial, or time-limited giveaway. imho.run's catalogue refreshes daily, so newly free or newly popular titles surface here without manual editing.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like AquaNox page.
Ranked picks
- 1
The Expendabros
Free-to-play alternative to AquaNox — no purchase or trial window. Shares Action with AquaNox.
The Expendabros have assembled and set their sights on the forces of ruthless arms dealer Conrad Stonebanks in the forests of Eastern Europe.
- 2
The Lab
Free-to-play alternative to AquaNox — no purchase or trial window.
Welcome to The Lab, a compilation of Valve’s room-scale VR experiments set in a pocket universe within Aperture Science. Fix a robot, defend a castle, adopt a mechanical dog, and more. Still not sold? It’s free!
- 3
South Scrimshaw, Part One
Free-to-play alternative to AquaNox — no purchase or trial window.
South Scrimshaw is the story of a newborn whale in a vast alien ocean. It is a richly illustrated experimental visual novel, written in the style of a nature documentary.
- 4
Waves
Free-to-play alternative to AquaNox — no purchase or trial window. Shares Action with AquaNox.
Waves is an Arcade Twin-Stick Shooter that's all about High Scores. Build your combo and drop bombs in pursuit of Leaderboard dominance over seven game-modes!
- 5
Warframe
Free-to-play alternative to AquaNox — no purchase or trial window. Shares Action with AquaNox.
Awaken as an unstoppable warrior and battle alongside your friends in this story-driven free-to-play online action game
- 6
Unturned
Free-to-play alternative to AquaNox — no purchase or trial window. Shares Action with AquaNox.
You're a survivor in the zombie infested ruins of society, and must work with your friends and forge alliances to remain among the living.
- 7
SCP: Secret Laboratory
Free-to-play alternative to AquaNox — no purchase or trial window. Shares Action with AquaNox.
Deep within a secure underground facility, a sudden containment breach allows many of the secured anomalies to escape from their chambers. Assist the Foundation in re-securing the facility, help the Insurgency in their goal to capture it, or wreak havoc as an SCP in a frantic bid to escape.
- 8
Splitgate
Free-to-play alternative to AquaNox — no purchase or trial window. Shares Action with AquaNox.
Splitgate is a free-to-play, fast-paced multiplayer shooter that features player-controlled portals. This sci-fi shooter takes the FPS genre to a new dimension with its portal mechanics, delivering high-flying, multi-dimensional combat.