Free games like UNDERZONE
Below are 8 free-to-play Steam games similar to UNDERZONE, 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 UNDERZONE page.
Ranked picks
- 1
Disfigure
Free-to-play alternative to UNDERZONE — no purchase or trial window. Shares Action and Indie with UNDERZONE.
Disfigure is a grim-dark action rogue-like where you battle relentless hordes of monsters lurking in the shadows. Unlock powerful weapons, craft god-like builds with hundreds of upgrades, slay colossal bosses, and push your limits in intense 20–30 minute survival runs!
- 2
I MAED A GAM3 W1TH Z0MB1ES 1N IT!!!1
Free-to-play alternative to UNDERZONE — no purchase or trial window. Shares Action and Indie with UNDERZONE.
A top down twin stick zombie slaying shooter that you are sure to play again and again!
- 3
Waves
Free-to-play alternative to UNDERZONE — no purchase or trial window. Shares Action and Indie with UNDERZONE.
Waves is an Arcade Twin-Stick Shooter that's all about High Scores. Build your combo and drop bombs in pursuit of Leaderboard dominance over seven game-modes!
- 4
Evil Egg
Free-to-play alternative to UNDERZONE — no purchase or trial window. Shares Action with UNDERZONE.
Blast it all to hell.
- 5
SCP: Secret Laboratory
Free-to-play alternative to UNDERZONE — no purchase or trial window. Shares Action and Indie with UNDERZONE.
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.
- 6
Splitgate
Free-to-play alternative to UNDERZONE — no purchase or trial window. Shares Action and Indie with UNDERZONE.
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.
- 7
PlanetSide 2
Free-to-play alternative to UNDERZONE — no purchase or trial window. Shares Action with UNDERZONE.
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 UNDERZONE — no purchase or trial window. Shares Action and Indie with UNDERZONE.
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!