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

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

Rhythm Doctor
Shared: Rhythm · Action · Level Editor

Geometry Dash
Shared: 2D · Rhythm · Level Editor

DJMAX RESPECT V
Shared: Casual · Rhythm · Action

Vampire Survivors
Shared: 2D · Casual · Action

Super Hexagon
Shared: Arcade · Rhythm · Action

Beatblock
Shared: Rhythm · Arcade · Action

Planes, Bullets and Vodka
Shared: Action · Casual · Arcade

UFO 50
Shared: Action · Arcade · 2D

Muse Dash
Shared: Rhythm · Casual · 2D

Spin Rhythm XD
Shared: Casual · Rhythm · Action

Music Racer
Shared: Rhythm · Action · Casual

BIT.TRIP BEAT
Shared: Action · Rhythm · Casual

Sixtar Gate: STARTRAIL
Shared: Action · Casual · Arcade

Shower With Your Dad Simulator 2015: Do You Still Shower With Your Dad
Shared: Arcade · Casual · 2D

Timberman
Shared: Casual · Action · 2D

PAC-MAN™ Championship Edition DX+
Shared: Arcade · Action · Retro

Intralism
Shared: Rhythm · Arcade · Casual

Ninja Kiwi Archive
Shared: Casual · Arcade · Action

Rift of the NecroDancer
Shared: Rhythm · Action · Arcade

Retrowave
Shared: Casual · Action · Retro

Cyberhunt
Shared: Action · Casual · Arcade

Iron Snout
Shared: Action · 2D · Free to Play

Rock 'N' Roll Defense
Shared: Casual · Action · 2D