Single-player games like Space Mash
Below are 8 single-player Steam games similar to Space Mash, 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 Space Mash page.
Ranked picks
- 1
GAZAR
Single-player alternative to Space Mash — playable solo, no multiplayer required. Shares Action with Space Mash.
GAZAR is an intense vertical arcade space shooter where you fight against an alien fleet destroying the galaxy. Battle through Story Mode or test your skills in Infinity Mode with 5 difficulty levels and leaderboards. GAZAR delivers non-stop action, stunning visual effects, and dynamic combat.
- 2
Shin Sophstar
Single-player alternative to Space Mash — playable solo, no multiplayer required. Shares Action with Space Mash.
Shin Sophstar is an electrifying remix built for speed and scoring. With 30 ship variants, mid-run ship switching, and an aggressive, deeply layered scoring system, it delivers a faster, sharper arcade experience for all skill levels.
- 3
Metal Crisis
Single-player alternative to Space Mash — playable solo, no multiplayer required. Shares Action with Space Mash.
METAL CRISIS is a side-scrolling shoot 'em up inspired by 3D space shooters of the 90s. Pilot the most advanced ship Earth has created capable of acquiring enemy weapons as you battle through hordes of fighters and hulking bosses in it's war against the space colonies rebellion.
- 4
Lober Lobe
Single-player alternative to Space Mash — playable solo, no multiplayer required. Shares Action with Space Mash.
Shoot psychic orbs, collect useful thoughts, upgrade your Probe with speed, maneuverability, satellites, resistance and suppress negative thoughts in this Brain centric, procedurally generated bullet hell shoot 'em up.
- 5
Galactic Mecha GunSuit
Single-player alternative to Space Mash — playable solo, no multiplayer required. Shares Action with Space Mash.
A linear danmaku shoot-em-up with some visual novel elements. Clear 6 stages across 4 difficult settings, each with unique enemy spawns, bullet patterns and boss phases. The game is structured to have each difficulty cleared in sequence, with the full plot unfolding across each one.
- 6
VectaGuard
Single-player alternative to Space Mash — playable solo, no multiplayer required. Shares Action with Space Mash.
Arcade-inspired shmup action where neon vector caverns explode with modern visuals, dynamic music, weapon upgrades and intense score chasing.
- 7
Mooncall
Single-player alternative to Space Mash — playable solo, no multiplayer required. Shares Action with Space Mash.
A retro arcade rescue game. Fly your ship to save stranded foragers from a crater-scarred moon. Compete with your friends on global or private leaderboards! Don't ask about the red mushrooms.
- 8
Switch 'N' Shoot
Single-player alternative to Space Mash — playable solo, no multiplayer required. Shares Action with Space Mash.
Endless arcade action with just ONE button - Switch directions whenever you shoot!