Single-player games like Inertia
Below are 12 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
Exertus
Single-player alternative to Inertia — playable solo, no multiplayer required. Shares Action and Indie with Inertia.
Through use of the fluid movement set and dynamic level elements, players have the simple aim of getting from point A to point B, either by using the beaten path or the off-path environment within semi-linear levels.
- 2
Spectrolite
Single-player alternative to Inertia — playable solo, no multiplayer required. Shares Action and Indie with Inertia.
Spectrolite is a challenging first-person platformer set in futuristic environments. Combine parkouring with powerful abilities, test your skills in fast paced timed challenges, and follow the call of a mysterious specter while traveling through a ruined world.
- 3
Grapple League
Single-player alternative to Inertia — playable solo, no multiplayer required. Shares Action and Indie with Inertia.
Utilize skill to swing yourself through multiple jaw-dropping levels in this time-trial, swinging, physics based platformer. From oceans to canyons to mountains and beyond take your swinging prowess across the world in obstacle filled levels. Swing into the finish. Set new records.
- 4
Inertia 2: Definitive Edition
Single-player alternative to Inertia — playable solo, no multiplayer required. Shares Action and Indie with Inertia.
From the creator of Inertia - a first-person movement platformer built on fluid, refined mechanics. Run, create, and compete in the definitive movement experience.
- 5
FOTONICA
Single-player alternative to Inertia — playable solo, no multiplayer required. Shares Action and Indie with Inertia.
Ever wondered what running at 140mph feels like? FOTONICA is a first-person game about the thrill of speed and traveling flawlessly through complex environments.FOTONICA is simple, but is not easy: it follows a tradition of arcade games that are easy to pick up and almost impossible to master.
- 6
Speedonauts
Single-player alternative to Inertia — playable solo, no multiplayer required. Shares Action with Inertia.
Compete against the galaxy in this fast-paced speedrunning game. Create and share levels. Break records. Be the best.
- 7
Ballest of Them All
Single-player alternative to Inertia — playable solo, no multiplayer required. Shares Action and Indie with Inertia.
A ball racer where you roll fast, time your jump, and land smooth to save time. Master the physics and find shortcuts to climb leaderboards, then scale the Tower to find out: are you the Ballest of Them All?
- 8
Frog & Roll
Single-player alternative to Inertia — playable solo, no multiplayer required. Shares Action and Indie with Inertia.
Surf, Bhop, Climb, and blast your way to victory in Frog & Roll. A truly hardcore 3D platformer focused on speed and fast reactions. Chase the records of your friends and the world's best players.
- 9
Quake III Arena
Single-player alternative to Inertia — playable solo, no multiplayer required. Shares Action with Inertia.
The greatest warriors of all time and space have been summoned to battle for the amusement of an ancient alien race. Wield a variety of guns and power-ups as you fight for glory against ruthless combatants in this fast-paced single-player and multiplayer FPS.
- 10
Quake Live
Single-player alternative to Inertia — playable solo, no multiplayer required. Shares Action with Inertia.
Experience the most exciting and fast-paced FPS gameplay while competing with players from around the world in over 100 arenas, a dozen game modes, and with persistent career stats tracking, in this online features-focused successor to Quake III Arena.
- 11
ADVERSE
Single-player alternative to Inertia — playable solo, no multiplayer required. Shares Action and Indie with Inertia.
ADVERSE is an arcade first-person shooter platformer set in an idyllic world of corruption.
- 12
Off The Tracks
Single-player alternative to Inertia — playable solo, no multiplayer required. Shares Action and Indie with Inertia.
Combine a heap of chaos, some physics-based fun, a dash of fluid movement and some poorly driven trains, and what do you get? Off The Tracks - a chaotic physics-based first person platformer.