Single-player games like Star-Coat
Below are 8 single-player Steam games similar to Star-Coat, 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 Star-Coat page.
Ranked picks
- 1

Titan Nebula
Single-player alternative to Star-Coat — playable solo, no multiplayer required. Shares Action with Star-Coat.
A Sci-fi procedural spaceship exploration game, where you unlock new weapons and abilities as you complete missions and gather bounties. Deploy your advanced tactics mech unity, in this 3rd person shooter game!
- 2

Scionide
Single-player alternative to Star-Coat — playable solo, no multiplayer required. Shares Action with Star-Coat.
Scionide is a fast-paced sci-fi shooter set in 2268 AD, where the Amalgamate Republic fights for survival against the Scion Empire. Battle in single-player, PvP, and co-op PvE across dynamic maps.
- 3

Colony - Arena Online
Single-player alternative to Star-Coat — playable solo, no multiplayer required. Shares Action and Adventure with Star-Coat.
Fight against rebel robots together with your friends and save planets from invasion....
- 4

Spheromania
Single-player alternative to Star-Coat — playable solo, no multiplayer required. Shares Action with Star-Coat.
Bounce, blast, and outlast in Spheromania. A fast-paced arena shooter where drones duel with blasters, mines, and mid-air hops. Manage your energy, dodge the shrinking arena, and be the last sphere hovering. Solo mode or online multiplayer.
- 5

ShootOut(SystemD)
Single-player alternative to Star-Coat — playable solo, no multiplayer required. Shares Action with Star-Coat.
ShootOut(SystemD) is a Third-Person Shooter with RogueLite elements. Shoot your way through procedurally generated environements. Choose your arsenal from a variety of weapons and tools. Save civilians and train them to be your backfire or healer. Capture Enemy bases. Defend yours.
- 6

SPACE HUG-DUNG
Single-player alternative to Star-Coat — playable solo, no multiplayer required. Shares Action and Adventure with Star-Coat.
"Infiltrate mysterious planetary facilities to snatch the core 'Hug-Dung' and escape. Battle giant robots and alien creatures in 4-player co-op, secure the core, and return to the extraction pod in this sci-fi action experience."
- 7

ArcRunner
Single-player alternative to Star-Coat — playable solo, no multiplayer required. Shares Action with Star-Coat.
Traverse 'The Arc' in this beautiful, Cyberpunk-styled action rogue-lite as you attempt to reset an evil rogue AI. Experiment with different weapons and augments as you fight hordes of machines programmed for your annihilation! Collect Nanites & power-up after every run either solo or with friends!
- 8

Front Mission Evolved
Single-player alternative to Star-Coat — playable solo, no multiplayer required. Shares Action with Star-Coat.
Experience piloting and customizing massive armored units called Wanzers while engaging in high-intensity battles driven by a compelling story. The battle begins now!