Games like HEPTAGON
Games like HEPTAGON include Melody's Escape, Hi-Fi RUSH, Boson X, A Dance of Fire and Ice, and BIT.TRIP RUNNER. We matched them by the tags players give HEPTAGON on Steam (Rhythm, Action, Psychedelic, Minimalist, and Runner): closest matches first, and among equally close ones the better-known games.

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

Hi-Fi RUSH
Shared: Rhythm · Action · Singleplayer

Boson X
Shared: Action · Minimalist · Runner

A Dance of Fire and Ice
Shared: Rhythm · Psychedelic · Singleplayer

BIT.TRIP RUNNER
Shared: Rhythm · Action · Runner

Beat Saber
Shared: Rhythm · Action · Singleplayer

Thumper
Shared: Rhythm · Action · Psychedelic

Super Hexagon
Shared: Rhythm · Action · Minimalist

Superliminal
Shared: Surreal · Psychedelic · Singleplayer

Hylics
Shared: Psychedelic · Surreal · Abstract

Manifold Garden
Shared: Psychedelic · Abstract · Surreal

Neon Drive
Shared: Rhythm · Action · Psychedelic

Sayonara Wild Hearts
Shared: Rhythm · Action · Stylized

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

DJMAX RESPECT V
Shared: Rhythm · Action · Singleplayer

Metal: Hellsinger
Shared: Rhythm · Action · Singleplayer

Hextech Mayhem: A League of Legends Story™
Shared: Rhythm · Runner · Action

Antichamber
Shared: Surreal · Abstract · Minimalist

Everhood
Shared: Psychedelic · Rhythm · Singleplayer

QUICKERFLAK
Shared: Psychedelic · Stylized · Minimalist

EZ2ON REBOOT : R
Shared: Rhythm · Action · Singleplayer

Incredibox
Shared: Rhythm · Stylized · Singleplayer

Hotline Miami
Shared: Action · Psychedelic · Surreal

Melatonin
Shared: Rhythm · Action · Singleplayer