Single-player games like Project Sentinel - Zero Tolerance
Below are 8 single-player Steam games similar to Project Sentinel - Zero Tolerance, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Project Sentinel - Zero Tolerance page.
Ranked picks
- 1
HUNTDOWN
Single-player alternative to Project Sentinel - Zero Tolerance — playable solo, no multiplayer required. Shares Action and Indie with Project Sentinel - Zero Tolerance.
In the mayhem-filled streets of the future where criminal gangs rule and cops fear to tread, only the bounty hunters can free the city from the corrupt fist of felony. Lay waste to the criminal underworld and make a killing in this hard boiled action comedy arcade shooter.
- 2
Big Byz Wars
Single-player alternative to Project Sentinel - Zero Tolerance — playable solo, no multiplayer required. Shares Action and Indie with Project Sentinel - Zero Tolerance.
Big Byz Wars is a sci-fi 2.5D side-scroller set in a mysterious future where flying cities provide refuge.As a mercenary, defend the largest flying city, Byzantium, facing fierce enemies.With cool graphics & immersive gameplay.The game takes you on an action-packed journey through a dangerous world.
- 3
Freedom! Do or Die
Single-player alternative to Project Sentinel - Zero Tolerance — playable solo, no multiplayer required. Shares Action and Indie with Project Sentinel - Zero Tolerance.
When terrorism threatens the world there is no need to send a bunch of iconic movie heroes back from the '80s. One under-funded over-powered mercenary is all that's needed to save the world in this epic run 'n' gun destruction-fest of a homage to Broforce!
- 4
Contra: Operation Galuga
Single-player alternative to Project Sentinel - Zero Tolerance — playable solo, no multiplayer required. Shares Action with Project Sentinel - Zero Tolerance.
The legendary Contra series returns! This reimagining of the classic run-'n'-gun action game from the ‘80s features new stages, new enemies, new play mechanics, and co-op combat for up to 4 players!
- 5
Valfaris: Mecha Therion
Single-player alternative to Project Sentinel - Zero Tolerance — playable solo, no multiplayer required. Shares Action and Indie with Project Sentinel - Zero Tolerance.
Therion returns as the hunt for Lord Vroll continues. Pilot an advanced machine of death and destruction in this explosive 2.5D side-scrolling shoot ‘em up, and sequel to the critically acclaimed Valfaris. Strap in and unleash mecha hell!
- 6
Rogue Stormers
Single-player alternative to Project Sentinel - Zero Tolerance — playable solo, no multiplayer required. Shares Action and Indie with Project Sentinel - Zero Tolerance.
An action packed platform shooter mashed-up with roguelike and RPG elements, crazy 3D graphics and co-op multiplayer for one to 4 players.
- 7
Valfaris
Single-player alternative to Project Sentinel - Zero Tolerance — playable solo, no multiplayer required. Shares Action and Indie with Project Sentinel - Zero Tolerance.
Set in a far corner of space, Valfaris is a heavy metal infused 2D action-platformer and the next game from the team behind Unity Awards finalist, Slain: Back From Hell. Brutal combat. Deadly enemies. Stunning pixel art. Savage soundtrack. Get ready to rip the galaxy a new wormhole.
- 8
Guns, Gore and Cannoli 2
Single-player alternative to Project Sentinel - Zero Tolerance — playable solo, no multiplayer required. Shares Action with Project Sentinel - Zero Tolerance.
Guns, Gore & Cannoli 2 revives the good, old, action platform run & gun genre, but this time with a bunch of humor and buckets of blown off body parts. In this sequel to Guns, Gore & Cannoli, Vinnie Cannoli’s story continues and this time it’s personal.