Games like Rytmos
Games like Rytmos include Incredibox, AudioSurf, Is This Seat Taken?, Audiosurf 2, and Zup! S. We matched them by the tags players give Rytmos on Steam (Puzzle, Music-Based Procedural Generation, Music, Relaxing, and Audio Production): closest matches first, and among equally close ones the better-known games.

Incredibox
Shared: Music · Casual · Audio Production

AudioSurf
Shared: Music · Music-Based Procedural Generation · Casual

Is This Seat Taken?
Shared: Puzzle · Relaxing · Casual

Audiosurf 2
Shared: Music · Music-Based Procedural Generation · Casual

Zup! S
Shared: Puzzle · Casual · Relaxing

A Little to the Left
Shared: Puzzle · Relaxing · Casual

Hook
Shared: Puzzle · Relaxing · Casual

klocki
Shared: Puzzle · Relaxing · Casual

LYNE
Shared: Puzzle · Relaxing · Logic

Dorfromantik
Shared: Puzzle · Relaxing · Casual

Hexcells
Shared: Puzzle · Casual · Logic

Hexcells Infinite
Shared: Puzzle · Casual · Relaxing

Unpacking
Shared: Relaxing · Puzzle · Casual

Librarian: Tidy Up the Arcane Library!
Shared: Relaxing · Puzzle · Casual

Squeakross: Home Squeak Home
Shared: Puzzle · Relaxing · Logic

Monument Valley
Shared: Puzzle · Relaxing · Casual

Muse Dash
Shared: Music · Casual · Rhythm

Music Racer
Shared: Music · Music-Based Procedural Generation · Casual

Sizeable
Shared: Puzzle · Casual · Relaxing

Glass Masquerade 3: Honeylines
Shared: Puzzle · Relaxing · Casual

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

Strange Jigsaws
Shared: Puzzle · Casual · Logic

Mini Motorways
Shared: Puzzle · Casual · Relaxing

The Artisan of Glimmith
Shared: Puzzle · Logic · Casual