Single-player games like The Omega Strain
Below are 8 single-player Steam games similar to The Omega Strain, 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 The Omega Strain page.
Ranked picks
- 1

Photophore - Chapter 1
Single-player alternative to The Omega Strain — playable solo, no multiplayer required. Shares Action with The Omega Strain.
An arcade game that oscillates between shooting, brick-breaking and reflection... with a single projectile!
- 2

Chronos Bound: How We Became Heroes
Single-player alternative to The Omega Strain — playable solo, no multiplayer required. Shares Action with The Omega Strain.
Pilot a lone ship through a collapsing orbital station in a modern 2.5D shoot ’em up. Block bullets with a 360° directional shield, destroy grotesque wreck-born enemies, defeat colossal bosses, and build new upgrade paths with every run — a love letter to classic shoot ’em ups.
- 3

Super Space Towers
Single-player alternative to The Omega Strain — playable solo, no multiplayer required. Shares Action and Adventure with The Omega Strain.
Super Space Towers is a space 3D physics puzzle action game. You have been tasked with cleaning up the mess left by the aliens' attempts to sabotage the orbital power towers.Contain the orbs, rescue the stranded workers & escape the towers!
- 4

DeepCorp Rescue
Single-player alternative to The Omega Strain — playable solo, no multiplayer required. Shares Action and Adventure with The Omega Strain.
DeepCorp Rescue is a physics-based arcade rescue game where you pilot a fragile rocket through dangerous caves, dodge traps, save workers, recover cargo, and land safely. Upgrade your ship, master tricky missions, and survive DeepCorp’s hazardous underground world.
- 5

Astral Bounty
Single-player alternative to The Omega Strain — playable solo, no multiplayer required. Shares Action with The Omega Strain.
Astral Bounty is a demanding 2D arcade side-scroller straight out of the ’90s. Blast through hand-built enemy waves, hunt four bounties, earn credits and blow them on beefy upgrades in the shop. You’re going to need them. 3 difficulty levels, 4 ships, mercy optional.
- 6

Plasma Sky
Single-player alternative to The Omega Strain — playable solo, no multiplayer required. Shares Action with The Omega Strain.
This week, every pilot on Earth flies the same new seeded run: identical enemies, identical drops, pure skill. Flow through alien formations, arm your wingmen, and power up when you can. Out-score your friends in Plasma Sky, an arcade shmup with over 100 handcrafted levels. Blast into the neon sky!
- 7

ASTROXION
Single-player alternative to The Omega Strain — playable solo, no multiplayer required. Shares Action with The Omega Strain.
Pilot a powerful starfighter through an endless alien invasion. Rescue the Cubes, survive relentless alien waves, and chase the ultimate high score in this fast-paced arcade space shooter.
- 8

Blast'N Bounty
Single-player alternative to The Omega Strain — playable solo, no multiplayer required. Shares Action with The Omega Strain.
Blast’N Bounty is a vertical scrolling shoot’em up featuring 8 stages players can tackle in the order of their choosing. Cruise through a crazy solar system in a mix of pixel art and low poly 3D with action that’s easy to learn but tough to master!