Free games like Epsilon
Below are 9 free-to-play Steam games similar to Epsilon, 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 Epsilon page.
Ranked picks
- 1
Nazi Zombies
Free-to-play alternative to Epsilon — no purchase or trial window. Shares Action and Indie with Epsilon.
Nazi Zombies is a cooperative survival game where players fend off escalating waves of Nazi zombies, earning points by killing zombies and repairing barriers to buy weapons, upgrades, perks, and unlock new map areas to maximize their survival.
- 2
Counter-Strike 2
Free-to-play alternative to Epsilon — no purchase or trial window. Shares Action with Epsilon.
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.
- 3
Tom Clancy's Rainbow Six Siege
Free-to-play alternative to Epsilon — no purchase or trial window. Shares Action with Epsilon.
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.
- 4
SCP: Secret Laboratory
Free-to-play alternative to Epsilon — no purchase or trial window. Shares Action and Indie with Epsilon.
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.
- 5
Splitgate
Free-to-play alternative to Epsilon — no purchase or trial window. Shares Action and Indie with Epsilon.
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.
- 6
Aimlabs
Free-to-play alternative to Epsilon — no purchase or trial window. Shares Action and Indie with Epsilon.
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
Totally Accurate Battlegrounds
Free-to-play alternative to Epsilon — no purchase or trial window. Shares Action and Indie with Epsilon.
Grab your balloon crossbow and trusty inflatable hammer, because things are about to get wobbly! Be the last weirdo standing in the world-leading physics-based Battle Royale game.
- 8
PlanetSide 2
Free-to-play alternative to Epsilon — no purchase or trial window. Shares Action with Epsilon.
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.
- 9
The Wall
Free-to-play alternative to Epsilon — no purchase or trial window. Shares Action and Strategy with Epsilon.
[Servers Temporarily Shut Down!] Build. Gather. Breach. The Wall is a never-before seen mix of genres, where dynamic maps, slick combat, base building, and economy management all come together.