Single-player games like Roundabout 3
Below are 12 single-player Steam games similar to Roundabout 3, 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 Roundabout 3 page.
Ranked picks
- 1

Thumper
Single-player alternative to Roundabout 3 — playable solo, no multiplayer required. Shares Indie with Roundabout 3.
Thumper is rhythm violence: classic rhythm-action, blistering speed, and brutal physicality. You are a space beetle. Brave the hellish void and confront a maniacal giant head from the future.
- 2

AVICII Invector
Single-player alternative to Roundabout 3 — playable solo, no multiplayer required. Shares Indie and Casual with Roundabout 3.
Soar through vocal melodies, sweep each fade and attack every beat in 25 of AVICII’s biggest hits, in this enthralling futuristic rhythm-action experience – AVICII Invector.
- 3

Super Hexagon
Single-player alternative to Roundabout 3 — playable solo, no multiplayer required. Shares Indie with Roundabout 3.
Super Hexagon is a minimal action game by Terry Cavanagh, with music by Chipzel.
- 4

ONE BTN BOSSES
Single-player alternative to Roundabout 3 — playable solo, no multiplayer required. Shares Indie with Roundabout 3.
It's One Button Bosses, it's all in the name. You have one button. There are big bosses to beat. Push, tap, and bash in the handcrafted campaign or in the roguelike rifts.
- 5

The Metronomicon: Slay The Dance Floor
Single-player alternative to Roundabout 3 — playable solo, no multiplayer required. Shares Indie with Roundabout 3.
A Rhythm Role-Playing Game! Fight party crashing monsters with the power of music! Level your party and upgrade your gear while dancing to the beat of some groovin' tunes. Grab a friend and combine forces in all game modes in The Metronomicon: Slay the Dance Floor!
- 6

Lumines Arise
Single-player alternative to Roundabout 3 — playable solo, no multiplayer required. Shares Indie and Casual with Roundabout 3.
A mind-blowing, fiendishly addictive reinvention of the puzzle classic Lumines from the creators of Tetris® Effect: Connected, where sound pulses through your body, mind, and every block you place, triggering dazzling visuals synched to the driving beat of an infectious, eclectic soundtrack.
- 7

Rez Infinite
Single-player alternative to Roundabout 3 — playable solo, no multiplayer required. Shares Indie and Casual with Roundabout 3.
The legendary action-shooter finally comes to PC, and in style! Blast your way through mind-melting visuals and amazing beats, all in your quest through cyberspace to save a world on the verge of collapse. Playable on your desktop or in fully immersive VR.
- 8

Beat Hazard
Single-player alternative to Roundabout 3 — playable solo, no multiplayer required. Shares Indie and Casual with Roundabout 3.
Experience your music collection like never before with this intense music driven arcade shooter. Each of your songs will have its own unique ebb and flow based on the music.
- 9

Fidget Spinner RPG
Single-player alternative to Roundabout 3 — playable solo, no multiplayer required. Shares Indie and Casual with Roundabout 3.
Fidget Spinner RPG is a clicker/incremental RPG game in which you craft items and level up abilities to make a fidget spinner spin at absurd, ever increasing speeds.
- 10

Planaris 2+
Single-player alternative to Roundabout 3 — playable solo, no multiplayer required. Shares Indie and Casual with Roundabout 3.
A casual line-clearing game with simple, intuitive mechanics that can be learned in 5 minutes... but is deep enough to provide a challenge for those looking to master every level.
- 11

Paper - A Game of Folding
Single-player alternative to Roundabout 3 — playable solo, no multiplayer required. Shares Indie and Casual with Roundabout 3.
An origami puzzle game suitable for all ages! Fold simulated paper to match the target... You're given a score based on how accurate you are.
- 12

Paper 2 - Origami Refolded
Single-player alternative to Roundabout 3 — playable solo, no multiplayer required. Shares Indie and Casual with Roundabout 3.
Fold your way through over 100 levels and become an origami master in this casual puzzle game suitable for all ages.