Games like RhythmSlinger
Games like RhythmSlinger include Pistol Whip, Beat Saber, A Dance of Fire and Ice, Beat Hazard, and Pavlov. We matched them by the tags players give RhythmSlinger on Steam (Action, Rhythm, Music-Based Procedural Generation, Shooter, and Arcade): closest matches first, and among equally close ones the better-known games.

Pistol Whip
Shared: VR · Action · Rhythm

Beat Saber
Shared: VR · Rhythm · Music-Based Procedural Generation

A Dance of Fire and Ice
Shared: Rhythm · Arcade · Colorful

Beat Hazard
Shared: Rhythm · Music-Based Procedural Generation · Action

Pavlov
Shared: VR · Action · Shooter

BONEWORKS
Shared: VR · Action · Shooter

AudioSurf
Shared: Rhythm · Music-Based Procedural Generation · Arcade

BioShock Infinite
Shared: Action · Shooter · Fantasy

Half-Life: Alyx
Shared: VR · Shooter · Action

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

Space Pirate Trainer
Shared: VR · Action · Shooter

STAR WARS™: Squadrons
Shared: VR · Action · Space

Blade and Sorcery
Shared: VR · Action · Magic

HITMAN World of Assassination
Shared: VR · Action · Shooter

Project Wingman
Shared: Action · VR · Arcade

Metal: Hellsinger
Shared: Rhythm · Action · Shooter

STAR WARS™ Battlefront™ II
Shared: Shooter · Action · Space

Hatsune Miku: Project DIVA Mega Mix+
Shared: Rhythm · Arcade · Action

DJMAX RESPECT V
Shared: Rhythm · Action · Arcade

Sayonara Wild Hearts
Shared: Rhythm · Action · Arcade

Hi-Fi RUSH
Shared: Action · Rhythm · Singleplayer

The Elder Scrolls V: Skyrim VR
Shared: VR · Action · Fantasy

BONELAB
Shared: VR · Action · Shooter

STAR WARS™ Battlefront II (Classic, 2005)
Shared: Action · Shooter · Space