Single-player games like Alien Decimation
Below are 8 single-player Steam games similar to Alien Decimation, 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 Alien Decimation page.
Ranked picks
- 1
misaligned
Single-player alternative to Alien Decimation — playable solo, no multiplayer required. Shares Action and Indie with Alien Decimation.
Classic 80s inspired shooter
- 2
Space Warpster
Single-player alternative to Alien Decimation — playable solo, no multiplayer required. Shares Action and Indie with Alien Decimation.
A fast-paced retro arcade shooter inspired by classic 1980s side-scrolling space combat. Weave through organic obstacles, survive relentless enemy waves, and defeat powerful end-level bosses in a pure, skill-driven singleplayer experience.
- 3
RESHOOTER
Single-player alternative to Alien Decimation — playable solo, no multiplayer required. Shares Action with Alien Decimation.
RESHOOTER offers heart-pounding shoot-em-up action that elevates classic arcade gameplay to the next level. Dive into the retroflow with electrifying visuals, immersive audio, and captivating mechanics.
- 4
REVO
Single-player alternative to Alien Decimation — playable solo, no multiplayer required. Shares Action and Indie with Alien Decimation.
Dodge and shoot your way through waves of enemies. REVO is a high speed, neon drenched space shoot ‘em up inspired by arcade classics of the 1980’s. Collect pickups, unlock powerful, ammo hungry weapons, and defeat giant bosses.
- 5
Hyper-5
Single-player alternative to Alien Decimation — playable solo, no multiplayer required. Shares Action with Alien Decimation.
Hyper-5 is a cinematic shmup inspired by classics from the “golden era” of the 90’s. Responding to a distress beacon, deep space scout ship Hyper-5 is drawn into a terrifying battle with an unknown enemy.
- 6
Tameshi
Single-player alternative to Alien Decimation — playable solo, no multiplayer required. Shares Action with Alien Decimation.
In this sideways scrolling shmup, take control of your spaceship and navigate through vibrant pixelated environments filled with hordes of enemy spacecraft. Power-up your ship and weapons, dodge enemy fire while blasting through each stage. Survive the onslaught and emerge victorious!
- 7
Cosmotroid
Single-player alternative to Alien Decimation — playable solo, no multiplayer required. Shares Action and Indie with Alien Decimation.
Escape from the asteroid X-474 which has been invaded by aliens. Take your weapons and destroy every enemy who tries to stop you in this amazing arcade style third person shooter game full of action, creatures and explosions.
- 8
METEOR COMMANDER
Single-player alternative to Alien Decimation — playable solo, no multiplayer required. Shares Action with Alien Decimation.
Retro-inspired arcade-style shooter. Save humanity from incoming waves of flaming hot meteors, alien ships hell-bent on destroying humanity, and the strangeness of space by shooting, blasting and nuking incoming waves of meteors and enemies.