Single-player games like Project Rhombus
Below are 10 single-player Steam games similar to Project Rhombus, 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 Project Rhombus page.
Ranked picks
- 1
Super Hexagon
Single-player alternative to Project Rhombus — playable solo, no multiplayer required. Shares Action and Indie with Project Rhombus.
Super Hexagon is a minimal action game by Terry Cavanagh, with music by Chipzel.
- 2
Soundodger+
Single-player alternative to Project Rhombus — playable solo, no multiplayer required. Shares Action and Indie with Project Rhombus.
Dodge the music and dance through a mesmerizing ballet of choreographed bullets, each synced to music from over a dozen international artists. Push your creativity and skills with the fully-featured Level Editor and never run out of things to dodge.
- 3
A Dance of Fire and Ice
Single-player alternative to Project Rhombus — playable solo, no multiplayer required. Shares Indie with Project Rhombus.
A Dance of Fire and Ice is a strict rhythm game. Keep your focus as you guide two orbiting planets along a winding path without breaking their perfect equilibrium.
- 4
Geometry Dash
Single-player alternative to Project Rhombus — playable solo, no multiplayer required. Shares Action and Indie with Project Rhombus.
Jump and fly your way through danger in this rhythm-based action platformer!
- 5
Crypt of the NecroDancer
Single-player alternative to Project Rhombus — playable solo, no multiplayer required. Shares Action and Indie with Project Rhombus.
Crypt of the NecroDancer is an award winning hardcore roguelike rhythm game. Move to the music and deliver beatdowns to the beat! Groove to the epic Danny Baranowsky soundtrack, or select songs from your own MP3 collection!
- 6
140
Single-player alternative to Project Rhombus — playable solo, no multiplayer required. Shares Action and Indie with Project Rhombus.
140 is a challenging minimalistic platformer with abstract colorful graphics. Rhythmic awareness is required to overcome obstacles controlled by an energetic, yet melancholic electronic soundtrack.
- 7
BARRIER X
Single-player alternative to Project Rhombus — playable solo, no multiplayer required. Shares Action and Indie with Project Rhombus.
Dodge! Shoot! Go faster! Break the sound barrier in this unbelievably fast game and go straight for the first place in the leaderboard of BARRIER X!
- 8
Just Shapes & Beats
Single-player alternative to Project Rhombus — playable solo, no multiplayer required. Shares Action and Indie with Project Rhombus.
"Just Shapes & Beats" is a chaotic co-op musical bullet-hell based on three simple things: avoid Shapes, move to the kick-ass Beats, and die, repeatedly.
- 9
Soundodger 2
Single-player alternative to Project Rhombus — playable solo, no multiplayer required. Shares Action and Indie with Project Rhombus.
Dodge the music and weave through an endless ballet of bullets in an all-new collection of hand-crafted levels set to the music of an award-winning cast of international musicians. Turn any song into an amazing experience with the robust Level Editor and never run out of things to dodge.
- 10
Deneb: Across the Stars
Single-player alternative to Project Rhombus — playable solo, no multiplayer required. Shares Action and Indie with Project Rhombus.
“Deneb: Across the Stars” is a mouse only, top-down, hardcore-platformer. Astronaut Vega crosses the stars to find her lost colleague Altair and save the dogs. Move carefully. A single mistake can lead to an endless fall.