Single-player games like Radium 2
Below are 9 single-player Steam games similar to Radium 2, 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 Radium 2 page.
Ranked picks
- 1
Infini
Single-player alternative to Radium 2 — playable solo, no multiplayer required. Shares Action with Radium 2.
Lose yourself in Infinity… but never lose Hope. Try to escape a world of never-ending puzzles and oddities.
- 2
Project Ictos
Single-player alternative to Radium 2 — playable solo, no multiplayer required. Shares Action and Indie with Radium 2.
Avoid everything, touch nothing, and reach a screen edge!
- 3
Escape from the Marble Monster
Single-player alternative to Radium 2 — playable solo, no multiplayer required. Shares Action and Indie with Radium 2.
Rotate the world, physics will move the marbles. Dodge obstacles, collect stars, lead monsters to a quick death, a journey against the clock full of challenges and fun.
- 4
Flowing Lights
Single-player alternative to Radium 2 — playable solo, no multiplayer required. Shares Action and Indie with Radium 2.
Flowing Lights is an Arcade Puzzle Shooter. Each fight is a puzzle. Attack and... Fail! ...Think back... try again! Got it? Improve with each try, there is always a smarter way to win!
- 5
SOMETHING
Single-player alternative to Radium 2 — playable solo, no multiplayer required. Shares Action and Indie with Radium 2.
A heroic story about the unforgettable journey of the cat Darchi, trying to find his life in the underworld with different physical properties.
- 6
NERVE
Single-player alternative to Radium 2 — playable solo, no multiplayer required. Shares Action and Indie with Radium 2.
Hurtle through beautiful unforgiving worlds, where every frame is enthralling, every moment is exhilarating, every death is deserved, and every success is earned. RACE | DODGE | DIE | REPEAT
- 7
SWAP
Single-player alternative to Radium 2 — playable solo, no multiplayer required. Shares Action and Indie with Radium 2.
SWAP is a simple yet brutally difficult game that will frustrate and personally insult you. Hone your reflexes and steel your emotions to uncover an unexpected story... Or just give up now and save us all some time, the choice is yours.
- 8
Graviton Core
Single-player alternative to Radium 2 — playable solo, no multiplayer required. Shares Action and Indie with Radium 2.
Absorb mass. Bend gravity. Detonate everything. A fast-paced hardcore bullet hell where every explosion is your choice.
- 9
Super Meat Boy
Single-player alternative to Radium 2 — playable solo, no multiplayer required. Shares Indie with Radium 2.
The infamous, tough-as-nails platformer comes to Steam with a playable Head Crab character (Steam-exclusive)!