Games like Splatsplasm
Games like Splatsplasm include Beat Saber, BOXVR, EZ2ON REBOOT : R, DJMAX RESPECT V, and A Dance of Fire and Ice. We matched them by the tags players give Splatsplasm on Steam (Sports, Music, Rhythm, Dark Humor, and Space): closest matches first, and among equally close ones the better-known games.

Beat Saber
Shared: VR · Music · Rhythm

BOXVR
Shared: Sports · VR · Rhythm

EZ2ON REBOOT : R
Shared: Rhythm · Music · Sports

DJMAX RESPECT V
Shared: Music · Rhythm · Casual

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

Pistol Whip
Shared: VR · Rhythm · Action

Muse Dash
Shared: Music · Rhythm · Casual

Spin Rhythm XD
Shared: Music · Rhythm · Casual

Synth Riders
Shared: VR · Music · Rhythm

PowerBeatsVR - VR Fitness
Shared: Sports · VR · Rhythm

Rhythm Doctor
Shared: Music · Rhythm · Action

OhShape
Shared: VR · Sports · Music

Ragnarock
Shared: Rhythm · Music · Action

Geometry Dash
Shared: Music · Rhythm · Indie

Sayonara Wild Hearts
Shared: Music · Rhythm · Action

BONEWORKS
Shared: VR · Action · Physics

Music Racer
Shared: Music · Rhythm · Action

Automobilista 2
Shared: Sports · VR · Action

Thumper
Shared: Rhythm · VR · Music

MUSYNX
Shared: Music · Rhythm · Casual

Assetto Corsa
Shared: VR · Sports · Realistic

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

Holodance
Shared: VR · Music · Rhythm

Gorilla Tag
Shared: VR · Action · First-Person

