Free games like Gunboat
Below are 10 free-to-play Steam games similar to Gunboat, 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 Gunboat page.
Ranked picks
- 1
Counter-Strike:Global Offensive
Free-to-play alternative to Gunboat — no purchase or trial window. Shares Action with Gunboat.
Counter-Strike:Global Offensive (CS:GO) expands upon the team-based action gameplay that it pioneered when it was launched over 2 decades ago. CS:GO features new maps, characters, weapons, and game modes, and delivers updated versions of the classic CS content (de_dust2, etc.).
- 2
The Expendabros
Free-to-play alternative to Gunboat — no purchase or trial window. Shares Action with Gunboat.
The Expendabros have assembled and set their sights on the forces of ruthless arms dealer Conrad Stonebanks in the forests of Eastern Europe.
- 3
The Lab
Free-to-play alternative to Gunboat — 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!
- 4
Counter-Strike 2
Free-to-play alternative to Gunboat — no purchase or trial window. Shares Action with Gunboat.
For over two decades, Counter-Strike has offered an elite competitive experience, one shaped by millions of players from across the globe. And now the next chapter in the CS story is about to begin. This is Counter-Strike 2.
- 5
Tom Clancy's Rainbow Six Siege
Free-to-play alternative to Gunboat — no purchase or trial window. Shares Action with Gunboat.
Rainbow Six® Siege is the reference in tactical team shooters, where elite strategy and execution triumph. Enjoy free access to Quick Match, Unranked, and Dual Front game modes with a selection of operators.
- 6
Aimlabs
Free-to-play alternative to Gunboat — no purchase or trial window. Shares Action and Simulation with Gunboat.
Aimlabs is the aim trainer of choice for over 45 Million players, from beginners to esports pros. Our unique aim analysis optimizes your gameplay, targets your weaknesses & builds key skills for any FPS game! Time to warm up with our unlimited scenarios & rank up in-game!
- 7
World of Warships
Free-to-play alternative to Gunboat — no purchase or trial window. Shares Action and Simulation with Gunboat.
Immerse yourself in thrilling naval battles and assemble an armada of over 800 ships from the first half of the 20th century — from stealthy destroyers to gigantic battleships. Change the look of your ship, choose upgrades to suit your play style, and go into battle with other players!
- 8
Combat Master: Season 5
Free-to-play alternative to Gunboat — no purchase or trial window. Shares Action with Gunboat.
Join fast-paced action-packed combat. Play Combat Master -- AAA experience on any hardware. Best-in-class multiplayer gunfight. Next-level extreme performance. Lightning-speed loading time and a whole lot more.
- 9
Modern Warships
Free-to-play alternative to Gunboat — no purchase or trial window. Shares Action and Simulation with Gunboat.
Modern Warships is an online action game about contemporary military vehicles. Join now and detect the enemy with recon aircraft, launch volleys of guided missiles from cruisers, sneak up to surface vessels with submarines, and provide cover to the allied fleet with jet fighters and helicopters.
- 10
War Thunder
Free-to-play alternative to Gunboat — no purchase or trial window. Shares Action and Simulation with Gunboat.
War Thunder is the most comprehensive free-to-play, cross-platform, MMO military game dedicated to aviation, armoured vehicles, and naval craft, from the early 20th century to the most advanced modern combat units. Join now and take part in major battles on land, in the air, and at sea.