Games like Pixelgroove
Games like Pixelgroove include A Dance of Fire and Ice, DJMAX RESPECT V, Muse Dash, Geometry Dash, and Vampire Survivors. We matched them by the tags players give Pixelgroove on Steam (Rhythm, Casual, Music, Action, and 2D): closest matches first, and among equally close ones the better-known games.

A Dance of Fire and Ice
Shared: Rhythm · Music · 2D

DJMAX RESPECT V
Shared: Rhythm · Casual · Music

Muse Dash
Shared: Rhythm · Music · Casual

Geometry Dash
Shared: Music · Rhythm · 2D

Vampire Survivors
Shared: Bullet Hell · 2D · Casual

Rhythm Doctor
Shared: Rhythm · Music · Action

Just Shapes & Beats
Shared: Rhythm · Music · Bullet Hell

Spin Rhythm XD
Shared: Rhythm · Casual · Music

Beat Hazard
Shared: Rhythm · Music · Bullet Hell

Planes, Bullets and Vodka
Shared: Casual · Action · Bullet Hell

Sixtar Gate: STARTRAIL
Shared: Casual · Rhythm · Action

Sayonara Wild Hearts
Shared: Rhythm · Music · Action

Bit Blaster XL
Shared: Bullet Hell · 2D · Shooter

EZ2ON REBOOT : R
Shared: Rhythm · Music · Casual

AudioSurf
Shared: Rhythm · Music · Casual

Music Racer
Shared: Rhythm · Music · Action

Beat Saber
Shared: Rhythm · Music · Action

Symphony
Shared: Music · Rhythm · Action

Super Hexagon
Shared: Rhythm · Arcade · Action

Rift of the NecroDancer
Shared: Rhythm · Music · Action

Soundodger+
Shared: Casual · Music · Rhythm

Pistol Whip
Shared: Rhythm · Action · Shooter

Audiosurf 2
Shared: Rhythm · Music · Casual

Incredibox
Shared: Rhythm · Casual · Music

