Single-player games like Radiant Cell
Below are 11 single-player Steam games similar to Radiant Cell, 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 Radiant Cell page.
Ranked picks
- 1

Boomerang X
Single-player alternative to Radiant Cell — playable solo, no multiplayer required. Shares Action and Indie with Radiant Cell.
Harness the power of a mystical boomerang to fling yourself through the air in this acrobatic arena shooter. Slice, fly, and blast through swarms of evil creatures on an abandoned island with a cryptic past. Stay agile or meet your doom.
- 2

Waves
Single-player alternative to Radiant Cell — playable solo, no multiplayer required. Shares Action and Indie with Radiant Cell.
Waves is an Arcade Twin-Stick Shooter that's all about High Scores. Build your combo and drop bombs in pursuit of Leaderboard dominance over seven game-modes!
- 3

hate.net
Single-player alternative to Radiant Cell — playable solo, no multiplayer required. Shares Action and Indie with Radiant Cell.
An abandoned arena shooter overtaken by bots. You are a mere passerby, a witness to a world that has long been lost to fake accounts and false advertisers. Thousands before you, and thousands after you.
- 4

Severed Steel
Single-player alternative to Radiant Cell — playable solo, no multiplayer required. Shares Action and Indie with Radiant Cell.
An intense single-player FPS featuring a stylish movement system, completely destructible levels, and an acclaimed OST.
- 5

Centipede: Recharged
Single-player alternative to Radiant Cell — playable solo, no multiplayer required. Shares Action with Radiant Cell.
Blast bugs and chase high scores in this glorious revival of an old-school classic, all while jamming to a heart-pounding original score by Megan McDuffee. Play solo or tag in a friend for local co-op across 30 unique challenges or the endless arcade mode.
- 6

MEATGRINDER
Single-player alternative to Radiant Cell — playable solo, no multiplayer required. Shares Action and Indie with Radiant Cell.
Meatgrinder is a chaotic and fast-paced FPS. Use agility and guns to jump your way through insane levels on top of speeding trucks, trains and planes. No cutscenes or storylines, just pure action.
- 7

Titanfall® 2
Single-player alternative to Radiant Cell — playable solo, no multiplayer required. Shares Action with Radiant Cell.
Respawn Entertainment gives you the most advanced titan technology in its new, single player campaign & multiplayer experience. Combine & conquer with new titans & pilots, deadlier weapons, & customization and progression systems that help you and your titan flow as one unstoppable killing force.
- 8

Cyber Hook
Single-player alternative to Radiant Cell — playable solo, no multiplayer required. Shares Action and Indie with Radiant Cell.
Speed through a gorgeous retrowave world using parkour skills and a grappling hook to scale and ride walls in this fast-paced, 3D platformer. Blast enemies, manipulate time and abuse physics to avoid falling to your death.
- 9

Room 13
Single-player alternative to Radiant Cell — playable solo, no multiplayer required.
You are inside an endless hotel but there is a way you can escape. Search in the hallways of the hotel and find the changes within them to reach Room 13.
- 10

Room 14
Single-player alternative to Radiant Cell — playable solo, no multiplayer required.
You are inside an endless Highschool but there is a way you can escape. Search in the hallways of the school and find the changes within them to reach Room 14.
- 11

StreetSync
Single-player alternative to Radiant Cell — playable solo, no multiplayer required. Shares Action and Indie with Radiant Cell.
Dive into a rhythm-action FPS rogue-like where every shot must sync with the beat. Slide, wall-run, and harness the rhythm using your own custom music. One missed note leads to your demise. Collect powerful cards to remix the gameplay and keep the beat alive!