Games like Super Hyperspace Avenger
Games like Super Hyperspace Avenger include Vampire Survivors, A Dance of Fire and Ice, DJMAX RESPECT V, Exit the Gungeon, and Sixtar Gate: STARTRAIL. We matched them by the tags players give Super Hyperspace Avenger on Steam (Casual, 2D Platformer, Bullet Hell, Rhythm, and Arcade): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: Bullet Hell · 2D · Casual

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

DJMAX RESPECT V
Shared: Casual · Rhythm · Action

Exit the Gungeon
Shared: Arcade · Bullet Hell · Action

Sixtar Gate: STARTRAIL
Shared: Casual · Rhythm · Arcade

Beat Hazard
Shared: Rhythm · Bullet Hell · 2D

Muse Dash
Shared: Rhythm · Casual · 2D

Just Shapes & Beats
Shared: Rhythm · Bullet Hell · 2D

Rhythm Doctor
Shared: Rhythm · Indie · 2D

Timberman
Shared: Casual · 2D · Indie

Planes, Bullets and Vodka
Shared: Casual · Bullet Hell · Action

Geometry Dash
Shared: Rhythm · 2D · Singleplayer

LUFTRAUSERS
Shared: Bullet Hell · Arcade · Indie

SANABI
Shared: 2D Platformer · Action · 2D

Super Hexagon
Shared: Arcade · Rhythm · Indie

Sayonara Wild Hearts
Shared: Rhythm · Casual · Action

Megabonk
Shared: Bullet Hell · Indie · Action

Banana
Shared: Casual · 2D · Singleplayer

Ninja Kiwi Archive
Shared: Casual · Arcade · Action

Bit Blaster XL
Shared: Bullet Hell · Arcade · Casual

Boneraiser Minions
Shared: Bullet Hell · 2D · Casual

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

One Finger Death Punch
Shared: Action · Indie · Casual

Cyberhunt
Shared: Casual · Action · Indie