Games like Koma
Games like Koma include Disillusion, Buckshot Roulette, Music Racer, Moncage, and Juice Galaxy. We matched them by the tags players give Koma on Steam (Experimental, Mystery Dungeon, 3D, Psychedelic, and Music-Based Procedural Generation): closest matches first, and among equally close ones the better-known games.
Disillusion
Shared: Experimental · Psychedelic · 3D
Buckshot Roulette
Shared: Singleplayer · 3D · Indie
Music Racer
Shared: Music-Based Procedural Generation · Indie · Singleplayer
Moncage
Shared: Singleplayer · Indie · Experimental
Juice Galaxy
Shared: Psychedelic · 3D · Experimental
Townscaper
Shared: Experimental · Singleplayer · Indie
Mirror 2: Project X
Shared: 3D · Singleplayer · Indie
Mountain
Shared: Indie · Experimental · Singleplayer
A Dance of Fire and Ice
Shared: Singleplayer · Indie · Psychedelic
Yellow Taxi Goes Vroom
Shared: 3D · Singleplayer · Indie
Nucleares
Shared: Experimental · Singleplayer · 3D
Pony Island
Shared: Indie · Singleplayer · Experimental
Five Nights at Freddy's: Security Breach
Shared: Singleplayer · 3D · Indie
Hylics
Shared: Psychedelic · Indie · Singleplayer
Tandis
Shared: Psychedelic · Indie · Experimental
Milk outside a bag of milk outside a bag of milk
Shared: Psychedelic · Indie · Singleplayer
MiSide
Shared: 3D · Singleplayer · Indie
AudioSurf
Shared: Music-Based Procedural Generation · Indie · Singleplayer
Golden Light
Shared: 3D · Singleplayer · Psychedelic
COCOON
Shared: Indie · 3D · Singleplayer
Berry Bury Berry
Shared: 3D · Singleplayer · Indie
Audiosurf 2
Shared: Music-Based Procedural Generation · Indie · Singleplayer
PANORAMICAL
Shared: Experimental · Indie · Psychedelic
Car Detailing Simulator
Shared: Singleplayer · 3D · Experimental