Single-player games like Shoot 'm Up
Below are 8 single-player Steam games similar to Shoot 'm Up, 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 Shoot 'm Up page.
Ranked picks
- 1

Ripper
Single-player alternative to Shoot 'm Up — playable solo, no multiplayer required. Shares Action and Indie with Shoot 'm Up.
Ripper is a top-down shooter with fully destructible environments, fog of war, and Steam multiplayer. Break through walls, survive enemy waves, and battle your friends.
- 2

Operation: Black Genesis - The Immortal Trials
Single-player alternative to Shoot 'm Up — playable solo, no multiplayer required. Shares Action with Shoot 'm Up.
top-down co-op survival horror game where players deploy into deadly Quarantined Zones, fight mutated experiments, and extract with everything you can carry—because if you die, you lose it all.
- 3

Unreal Tournament 3
Single-player alternative to Shoot 'm Up — playable solo, no multiplayer required. Shares Action with Shoot 'm Up.
Now includes the free Titan Pack expansion! The Titan Pack gives players a substantial amount of enhanced features and new content, including many original environments, new gametypes, the namesake Titan mutator, powerful deployables and weapons, new characters, and the Stealthbender.
- 4

POSTAL Redux
Single-player alternative to Shoot 'm Up — playable solo, no multiplayer required. Shares Action and Indie with Shoot 'm Up.
POSTAL Redux is a high definition remake of the classic dark and surreal twin-stick isometric shooter. Take control of The POSTAL Dude as he fights to survive in a world gone mad with violence.
- 5

ZomDay
Single-player alternative to Shoot 'm Up — playable solo, no multiplayer required. Shares Action and Indie with Shoot 'm Up.
As zombie crisis broke out around the world,you will play one of the warrior of S.E.A.T(Special Event Action Team)to fight against the zombies all over the world.ZomDay is a fast pace VR shooting game contains multi-player mod,exciting Boss fight,character perk and hardcore weapon system.
- 6

Yet Another Zombie Defense HD
Single-player alternative to Shoot 'm Up — playable solo, no multiplayer required. Shares Action and Indie with Shoot 'm Up.
Top-down zombie shooter with tower defense elements featuring up to 4 players local and online co-op. Build your base by day, defend it by night, put your skills to the test to stay alive as long as possible! Darkness is coming. How long can YOU survive?
- 7

DOOM + DOOM II
Single-player alternative to Shoot 'm Up — playable solo, no multiplayer required. Shares Action with Shoot 'm Up.
Developed by id Software, and originally released in 1993 and 1994, the definitive, newly enhanced versions of DOOM + DOOM II are available as a combined product.
- 8

Rise of the Triad
Single-player alternative to Shoot 'm Up — playable solo, no multiplayer required. Shares Action with Shoot 'm Up.
Apogee Software and Interceptor Entertainment proudly present the rebirth of the cult-classic first-person shooter, “Rise of the Triad”. Bigger, better and more ludicrous than ever before.