Games like O2Jam : The Beginning
Games like O2Jam : The Beginning include AudioSurf, Incredibox, A Dance of Fire and Ice, Muse Dash, and Geometry Dash. We matched them by the tags players give O2Jam : The Beginning on Steam (Rhythm, Music, Music-Based Procedural Generation, Casual, and Early Access): closest matches first, and among equally close ones the better-known games.

AudioSurf
Shared: Rhythm · Music · Casual

Incredibox
Shared: Rhythm · Music · Casual

A Dance of Fire and Ice
Shared: Rhythm · Music · Indie

Muse Dash
Shared: Rhythm · Music · Casual

Geometry Dash
Shared: Music · Rhythm · Colorful

Audiosurf 2
Shared: Rhythm · Music · Music-Based Procedural Generation

Trombone Champ
Shared: Rhythm · Music · Casual

DJMAX RESPECT V
Shared: Rhythm · Music · Casual

Music Racer
Shared: Rhythm · Music · Music-Based Procedural Generation

Rhythm Doctor
Shared: Rhythm · Music · Indie

Beat Saber
Shared: Rhythm · Music · Music-Based Procedural Generation

EZ2ON REBOOT : R
Shared: Rhythm · Music · Casual

Melatonin
Shared: Rhythm · Music · Relaxing

Beat Hazard
Shared: Rhythm · Music-Based Procedural Generation · Music

Melody's Escape
Shared: Rhythm · Music-Based Procedural Generation · Music

Rocksmith® 2014 Edition REMASTERED LEARN & PLAY
Shared: Music · Rhythm · Casual

One Hand Clapping
Shared: Music · Rhythm · Casual

Sayonara Wild Hearts
Shared: Rhythm · Music · Casual

Kind Words (lo fi chill beats to write to)
Shared: Emotional · Relaxing · Music

Banana
Shared: Casual · Family Friendly · Funny

Spin Rhythm XD
Shared: Rhythm · Music · Casual

Sixtar Gate: STARTRAIL
Shared: Rhythm · Casual · Emotional

Passpartout: The Starving Artist
Shared: Casual · Relaxing · Indie

Wandersong
Shared: Music · Emotional · Indie