Games like SoundTown
Games like SoundTown include Incredibox, Webbed, Tiny Glade, Muse Dash, and Melatonin. We matched them by the tags players give SoundTown on Steam (Family Friendly, Sandbox, Rhythm, Cute, and Relaxing): closest matches first, and among equally close ones the better-known games.

Incredibox
Shared: Rhythm · Family Friendly · 2D

Webbed
Shared: Cute · Family Friendly · 2D Platformer

Tiny Glade
Shared: Sandbox · Relaxing · Cute

Muse Dash
Shared: Rhythm · Cute · 2D

Melatonin
Shared: Rhythm · Cute · Relaxing

Planet Coaster
Shared: Sandbox · Family Friendly · Relaxing

DJMAX RESPECT V
Shared: Rhythm · Cute · 2D

Slime Rancher 2
Shared: Cute · Relaxing · Family Friendly

Bloons TD 6
Shared: Family Friendly · Sandbox · 2D

Townscaper
Shared: Sandbox · Relaxing · Family Friendly

Slime Rancher
Shared: Cute · Sandbox · Family Friendly

Scribblenauts Unlimited
Shared: Sandbox · Family Friendly · 2D

Is This Seat Taken?
Shared: Cute · Relaxing · Family Friendly

Garden Galaxy
Shared: Sandbox · Cute · Relaxing

Geometry Dash
Shared: Rhythm · 2D · Family Friendly

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

A Little to the Left
Shared: Relaxing · Cute · Family Friendly

Hozy
Shared: Sandbox · Relaxing · Cute

Luna's Fishing Garden
Shared: Sandbox · Cute · 2D Platformer

Cat Goes Fishing
Shared: Cute · 2D · Underwater

The Sims™ 4
Shared: Sandbox · Relaxing · Family Friendly

Hatsune Miku: Project DIVA Mega Mix+
Shared: Rhythm · Cute · Family Friendly

PUMP IT UP RISE
Shared: Rhythm · Family Friendly · 2D

Megaquarium
Shared: Sandbox · Underwater · Cute