Games like SOMOS
Games like SOMOS include Super Hexagon, A Dance of Fire and Ice, Geometry Dash, Muse Dash, and One Finger Death Punch. We matched them by the tags players give SOMOS on Steam (Action, Indie, Casual, Minimalist, and Procedural Generation): closest matches first, and among equally close ones the better-known games.

Super Hexagon
Shared: Indie · Action · Difficult

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

Geometry Dash
Shared: Difficult · Rhythm · 2D

Muse Dash
Shared: Rhythm · Casual · Music

One Finger Death Punch
Shared: Action · Indie · Casual

DJMAX RESPECT V
Shared: Casual · Action · Rhythm

Intralism
Shared: Indie · Rhythm · Casual

Just Shapes & Beats
Shared: Rhythm · Indie · Action

LYNE
Shared: Minimalist · Casual · Procedural Generation

Rift of the NecroDancer
Shared: Indie · Action · Rhythm

Spin Rhythm XD
Shared: Casual · Indie · Action

One Finger Death Punch 2
Shared: Action · Indie · Casual

AudioSurf
Shared: Indie · Casual · Rhythm

Timberman
Shared: Casual · Indie · Action

BIT.TRIP BEAT
Shared: Indie · Action · Casual

64.0
Shared: Indie · Action · Rhythm

Rhythm Doctor
Shared: Indie · Rhythm · Action

Sayonara Wild Hearts
Shared: Action · Casual · Rhythm

140
Shared: Indie · Minimalist · Rhythm

The Binding of Isaac
Shared: Indie · Action · Procedural Generation

Thumper
Shared: Indie · Action · Rhythm

Hotline Miami
Shared: Action · Indie · Great Soundtrack

Zup! S
Shared: Indie · Casual · Minimalist

Hook
Shared: Casual · Minimalist · Abstract