Free games like The Prison Experiment: Battle Royale
Below are 9 free-to-play Steam games similar to The Prison Experiment: Battle Royale, 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 The Prison Experiment: Battle Royale page.
Ranked picks
- 1
Epic Battle Fantasy 3
Free-to-play alternative to The Prison Experiment: Battle Royale — no purchase or trial window. Shares Indie and RPG with The Prison Experiment: Battle Royale.
Epic Battle Fantasy 3 is a silly turn-based JRPG, full of useless NPCs, rabid cats, childish humor, unreasonably large weapons, anime boobs, and other nonsense. And it's totally free!
- 2
The Riftbreaker: Prologue
Free-to-play alternative to The Prison Experiment: Battle Royale — no purchase or trial window. Shares Action and Strategy with The Prison Experiment: Battle Royale.
The Riftbreaker: Prologue allows you to experience the events taking place before the story campaign of the main game. Explore an entirely new world. Gather resources. Build up a base. Defend yourself from thousands of alien creatures.
- 3
The Last Sovereign
Free-to-play alternative to The Prison Experiment: Battle Royale — no purchase or trial window. Shares Strategy and Indie with The Prison Experiment: Battle Royale.
Explore a world torn between armies of lust and purity in which everything is more complex than it seems, deciding the fate of nations through might, politics, and finance. Every decision matters in an intricate saga that tracks thousands of variables.
- 4
Nazi Zombies
Free-to-play alternative to The Prison Experiment: Battle Royale — no purchase or trial window. Shares Action and Indie with The Prison Experiment: Battle Royale.
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.
- 5
Splitgate
Free-to-play alternative to The Prison Experiment: Battle Royale — no purchase or trial window. Shares Action and Indie with The Prison Experiment: Battle Royale.
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
Totally Accurate Battlegrounds
Free-to-play alternative to The Prison Experiment: Battle Royale — no purchase or trial window. Shares Action and Indie with The Prison Experiment: Battle Royale.
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.
- 7
PlanetSide 2
Free-to-play alternative to The Prison Experiment: Battle Royale — no purchase or trial window. Shares Action and Massively Multiplayer with The Prison Experiment: Battle Royale.
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.
- 8
Realm of the Mad God Exalt
Free-to-play alternative to The Prison Experiment: Battle Royale — no purchase or trial window. Shares Action and Indie with The Prison Experiment: Battle Royale.
Embark on an exhilarating journey into the pixelated Realm of the Mad God! Join, an action-packed, free-to-play MMO bullet hell game. Discover a world with danger, challenges, and hidden treasures as you battle through waves of enemies. Team up with players and conquer dungeons to become a legend!
- 9
Iron Online
Free-to-play alternative to The Prison Experiment: Battle Royale — no purchase or trial window. Shares Action and Strategy with The Prison Experiment: Battle Royale.
Iron Online is an MMO designed around player vs player world events.