Games like Beat the Song
Games like Beat the Song include A Dance of Fire and Ice, Geometry Dash, Rhythm Doctor, Muse Dash, and AudioSurf. We matched them by the tags players give Beat the Song on Steam (Indie, Music, and Rhythm): closest matches first, and among equally close ones the better-known games.

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

Geometry Dash
Shared: Music · Rhythm · Indie

Rhythm Doctor
Shared: Music · Rhythm · Indie

Muse Dash
Shared: Music · Rhythm · Indie

AudioSurf
Shared: Music · Indie · Rhythm

Just Shapes & Beats
Shared: Rhythm · Music · Indie

Beat Saber
Shared: Music · Rhythm · Indie

Rift of the NecroDancer
Shared: Music · Indie · Rhythm

Audiosurf 2
Shared: Music · Indie · Rhythm

Intralism
Shared: Music · Indie · Rhythm

Melatonin
Shared: Indie · Rhythm · Music

Neon Beats
Shared: Music · Rhythm · Indie

Music Racer
Shared: Music · Indie · Rhythm

Spin Rhythm XD
Shared: Music · Rhythm · Indie

MUSYNX
Shared: Music · Indie · Rhythm

Crypt of the NecroDancer
Shared: Rhythm · Indie · Music

Thumper
Shared: Indie · Rhythm · Music

Ratatan
Shared: Indie · Music · Rhythm

Audioshield
Shared: Indie · Music · Rhythm

BPM: BULLETS PER MINUTE
Shared: Rhythm · Indie · Music

AVICII Invector
Shared: Indie · Music · Rhythm

Dead as Disco
Shared: Rhythm · Music · Indie

140
Shared: Indie · Rhythm · Music

Super Hexagon
Shared: Indie · Rhythm · Music