Free games like Intruder
Below are 9 free-to-play Steam games similar to Intruder, 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 Intruder page.
Ranked picks
- 1
Splitgate
Free-to-play alternative to Intruder — no purchase or trial window.
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.
- 2
PlanetSide 2
Free-to-play alternative to Intruder — no purchase or trial window.
PlanetSide 2 is an all-out planetary war, where thousands of players battle as one across enormous continents. Utilize infantry, ground and air vehicles, and teamwork to destroy your enemies in this revolutionary first-person shooter on a massive scale.
- 3
Team Fortress 2
Free-to-play alternative to Intruder — no purchase or trial window.
Nine distinct classes provide a broad range of tactical abilities and personalities. Constantly updated with new game modes, maps, equipment and, most importantly, hats!
- 4
Dirty Bomb®
Free-to-play alternative to Intruder — no purchase or trial window.
Work together or die alone! Fight to restore peace to London or tear it down for profit in the most challenging team based shooter around.
- 5
THE FINALS
Free-to-play alternative to Intruder — no purchase or trial window.
THE FINALS is the world’s first Dynamism Shooter, a free-to-play, fast-paced, physics-driven, first-person shooter set on the stage of the biggest Gameshow of the future! Fight for Fans and fortune in fully-destructible, virtual Arenas that guarantee no two rounds will ever play the same!
- 6
Counter-Strike 2
Free-to-play alternative to Intruder — no purchase or trial window.
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.
- 7
King Arthur's Gold
Free-to-play alternative to Intruder — no purchase or trial window.
Would you enjoy building CASTLES, traps and siege machines in MULTIPLAYER? And then undermine your opponents castle and collapse it with 2D PHYSICS & DESTRUCTION?
- 8
MechWarrior Online™ Legends
Free-to-play alternative to Intruder — no purchase or trial window.
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.
- 9
Of Guards And Thieves
Free-to-play alternative to Intruder — no purchase or trial window.
Of Guards and Thieves is a multiplayer stealth game in which high-powered guards face off against fast and elusive thieves in a contest of wits. Outsmarting the enemy and shooting your way through to the goal are equally valid strategies. Simple rules, emergent gameplay and high replayability.