Free games like Gun Metal
Below are 8 free-to-play Steam games similar to Gun Metal, 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 Gun Metal page.
Ranked picks
- 1

The Lab
Free-to-play alternative to Gun Metal — 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!
- 2

Warframe
Free-to-play alternative to Gun Metal — no purchase or trial window. Shares Action with Gun Metal.
Awaken as an unstoppable warrior and battle alongside your friends in this story-driven free-to-play online action game
- 3

Aimlabs
Free-to-play alternative to Gun Metal — no purchase or trial window. Shares Action with Gun Metal.
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!
- 4

Aperture Desk Job
Free-to-play alternative to Gun Metal — no purchase or trial window. Shares Action with Gun Metal.
Introducing Aperture Desk Job — a free playable short made for the Steam Deck, set in the universe of the modestly popular Portal games.
- 5

Alien Swarm
Free-to-play alternative to Gun Metal — no purchase or trial window. Shares Action with Gun Metal.
Co-operative multiplayer game and complete code base available for free.
- 6

MechWarrior Online™ Legends
Free-to-play alternative to Gun Metal — no purchase or trial window. Shares Action with Gun Metal.
MechWarrior Online™ Legends is a tactical, 'Mech-based online shooter set in the vast BattleTech Universe. Assume the role of an elite MechWarrior, piloting powerful BattleMechs, fighting for supremacy over the Inner Sphere.
- 7

Darwin Project
Free-to-play alternative to Gun Metal — no purchase or trial window. Shares Action with Gun Metal.
In Darwin Project, ten inmates must survive the elements, track each other, fight, craft tools, and use their social skills to be the last one standing. It's a unique take on battle royale with a Show Director to influence the match and Spectator Interactions to create a one-of-a-kind game show.
- 8

Double Action: Boogaloo
Free-to-play alternative to Gun Metal — no purchase or trial window. Shares Action with Gun Metal.
Double Action is a free stylish multiplayer game about diving, flipping, and sliding your way into action movie mayhem.