Single-player games like Inertia
Below are 8 single-player Steam games similar to Inertia, 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 Inertia page.
Ranked picks
- 1
Ranphon
Single-player alternative to Inertia — playable solo, no multiplayer required. Shares Action and Indie with Inertia.
Ranphon is a side-scrolling space shooter where you control a small ship called Phon in a vast and frantic space full of hostile spaceships.
- 2
Galactic Patrol
Single-player alternative to Inertia — playable solo, no multiplayer required. Shares Action with Inertia.
A lost 1998 arcade-style shooter returns! Fight through 25 levels and 300+ waves of alien attacks inspired by classic shoot-'em-ups like Space Invaders and Galaga, featuring top-down, side-scrolling, and rear-view gameplay.
- 3
Command Center Earth
Single-player alternative to Inertia — playable solo, no multiplayer required. Shares Action and Indie with Inertia.
Save Earth from total annihilation by drifting a missile through a variety of unique and punishingly difficult asteroid fields.
- 4
SKY TOMB
Single-player alternative to Inertia — playable solo, no multiplayer required. Shares Action and Indie with Inertia.
Have you ever looked at a boss and felt "Damn, I wish I - the player - was that powerful." Look no further than the retro-styled dopamine-fueled time-deleting powertrip of SKY TOMB!
- 5
High Speed Cataclysm
Single-player alternative to Inertia — playable solo, no multiplayer required. Shares Action and Indie with Inertia.
High Speed Cataclysm is the most advanced and frenetic 2D action shooter where you will have to destroy thousands of enemies in order to save the galaxy.
- 6
Blast'N Bounty
Single-player alternative to Inertia — playable solo, no multiplayer required. Shares Action and Indie with Inertia.
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!
- 7
.G
Single-player alternative to Inertia — playable solo, no multiplayer required. Shares Casual with Inertia.
Avoid meteorites and survive until the end.
- 8
THUNDER STRIKER
Single-player alternative to Inertia — playable solo, no multiplayer required. Shares Action and Casual with Inertia.
Blast your way through enemy territory and level up your versatile arsenal of high-tech weapons in this handheld game style retro shmup!