Single-player games like Fission Superstar X
Below are 8 single-player Steam games similar to Fission Superstar X, 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 Fission Superstar X page.
Ranked picks
- 1

Death Skid Marks
Single-player alternative to Fission Superstar X — playable solo, no multiplayer required. Shares Action and Indie with Fission Superstar X.
Death Skid Marks is a rogue-like car combat game about what so many of us have experienced: a road trip to a music gig… only in this game, things get violent. The game uniquely blends top down arcade action and RPG mechanics.
- 2

RAD
Single-player alternative to Fission Superstar X — playable solo, no multiplayer required. Shares Action with Fission Superstar X.
RAD is a 3D action rogue-like set in a post-post-apocalyptic world, where humanity has faced armageddon not once, but twice.
- 3

Tower of Guns
Single-player alternative to Fission Superstar X — playable solo, no multiplayer required. Shares Action and Indie with Fission Superstar X.
Tower of Guns is a fast paced first-person-shooter for the twitch gamer... with a few randomized elements to keep it fresh with each playthrough. It's a short burst "Lunch Break FPS"... not unlike Binding of Isaac mixed with Doom 2. Tower of Guns was made by a guy named Joe (with his brother Mike composing the music).
- 4

Nuclear Throne
Single-player alternative to Fission Superstar X — playable solo, no multiplayer required. Shares Action and Indie with Fission Superstar X.
Nuclear Throne is a post-apocalyptic roguelike-like top-down shooter. Not 'the final hope of humanity' post-apocalyptic, but 'humanity is extinct and mutants and monsters now roam the world' post-apocalyptic. Can you reach the Nuclear Throne?
- 5

Heat Signature
Single-player alternative to Fission Superstar X — playable solo, no multiplayer required. Shares Action and Indie with Fission Superstar X.
Heat Signature is a game from the developers of Gunpoint where you break into spaceships, make terrible mistakes, and think of clever ways out of them. You take a mission, fly to the target ship, sneak inside, and make clever use of your gadgets to distract, ambush and take out the crew.
- 6

Hell is Other Demons
Single-player alternative to Fission Superstar X — playable solo, no multiplayer required. Shares Action and Indie with Fission Superstar X.
Hell is Other Demons is an action-platform shooter, with Roguelite elements. Explore a sprawling, hand-crafted world full of demons, insanely over-the-top boss fights, and a heavy synthwave soundtrack.
- 7

30XX
Single-player alternative to Fission Superstar X — playable solo, no multiplayer required. Shares Action and Indie with Fission Superstar X.
Jump, shoot, and slash your way through 30XX, the roguelike action platformer you can play with a friend! Explore lush, ever-changing worlds that mix precise platforming with fevered combat. Destroy fearsome Guardians. Master unique Powers. Rediscover the thousand years we've lost.
- 8

Void Scrappers
Single-player alternative to Fission Superstar X — playable solo, no multiplayer required. Shares Action with Fission Superstar X.
Blast hordes of alien ships into junk. Collect the scrap to upgrade your ship into an unstoppable force of destruction. Unlock new characters and weapons and upgrade your stats between runs.