Single-player games like Alastrius
Below are 9 single-player Steam games similar to Alastrius, 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 Alastrius page.
Ranked picks
- 1
HELI 100
Single-player alternative to Alastrius — playable solo, no multiplayer required. Shares Action with Alastrius.
Isometric bullet hell sci-fi shooter in a futuristic atmosphere
- 2
Furball Over the Front
Single-player alternative to Alastrius — playable solo, no multiplayer required. Shares Action with Alastrius.
Take to the skies over the western front in this WW1 casual run and gun style Sim-Shooter. Play as an Allied or German pilot in 6 different planes from 1915-1918. Balloon Busting, Ground Attack, and Dogfighting missions await you!
- 3
Tunnel Assault
Single-player alternative to Alastrius — playable solo, no multiplayer required. Shares Action with Alastrius.
Pilot your spaceship through unyielding tunnels, dodging obstacles, and unleashing dual lasers in this procedurally generated, fast-paced adventure. Unlock new ships and upgrade your arsenal as you advance, race against time, and emerge as the ultimate tunnel ace 🚀🌠
- 4
PolyDogfight
Single-player alternative to Alastrius — playable solo, no multiplayer required. Shares Action with Alastrius.
Prepare to Fly, Dodge, Shoot, and Destroy in PolyDogfight. Unlock all the planes and maps to find your style. Obliterate waves of planes in an open-air arena as quickly as possible to get the high score and top the global leaderboard!
- 5
Void Source
Single-player alternative to Alastrius — playable solo, no multiplayer required. Shares Action with Alastrius.
Classic multi-directional (360°) shoot 'em up. Navigate your UFO through hazardous environments with dangerous enemies and beat huge bosses!
- 6
Agent Intercept
Single-player alternative to Alastrius — playable solo, no multiplayer required. Shares Action with Alastrius.
Agent Intercept is an over-the-top arcade action game where you drive a transforming spy vehicle through exotic locales, perform ridiculous stunts, and blow things up to save the world — in style!
- 7
Thunder Wolves
Single-player alternative to Alastrius — playable solo, no multiplayer required. Shares Action with Alastrius.
When this “wolf pack” strikes, you hear the thunder roll. The Thunder Wolves attack from the air. They are mercenaries, and the best helicopter pilots in the world. Every one of them is ready for action at all times—and ready to fight evil, wherever it lurks.
- 8
CYGNI: All Guns Blazing
Single-player alternative to Alastrius — playable solo, no multiplayer required. Shares Action with Alastrius.
An unrelenting onslaught of eye-popping visuals, ear bursting soundscapes and mind-melting action makes CYGNI the vanguard for the next generation of shoot-em ups. Outgunned, outmanned and out on your own, plunge into a sky full of hell in a last-ditch battle for survival.
- 9
Eleanor Is Out of Time
Single-player alternative to Alastrius — playable solo, no multiplayer required.
Jump through time in an instant with an unprecedented level of freedom in an open world. After crash landing in the distant past Eleanor must use her time travelling powers to piece together her broken ship, rescue her crew and navigate through alternate futures full of dangers.