Games like piano-BALL
Games like piano-BALL include People Playground, Garry's Mod, Goat Simulator, PowerWash Simulator, and Stardew Valley. We matched them by the tags players give piano-BALL on Steam (Action, Casual, Simulation, Audio Production, and Rhythm): closest matches first, and among equally close ones the better-known games.

People Playground
Shared: Sandbox · Simulation · 2D

Garry's Mod
Shared: Sandbox · Casual · Simulation

Goat Simulator
Shared: Simulation · Casual · Sandbox

PowerWash Simulator
Shared: Casual · Simulation · Sandbox

Stardew Valley
Shared: Simulation · Pixel Graphics · Sandbox

Planet Coaster
Shared: Simulation · Sandbox · Action

Totally Accurate Battle Simulator
Shared: Simulation · Sandbox · Funny

DAVE THE DIVER
Shared: Casual · Pixel Graphics · Simulation

Shelldiver
Shared: Casual · Simulation · 2D

DJMAX RESPECT V
Shared: Casual · Action · Rhythm

Shower With Your Dad Simulator 2015: Do You Still Shower With Your Dad
Shared: Casual · Action · 2D

House Flipper
Shared: Simulation · Casual · Sandbox

Rhythm Doctor
Shared: Rhythm · Action · Pixel Graphics

Growtopia
Shared: Casual · Simulation · Sandbox

SPORE™
Shared: Simulation · Sandbox · Casual

Muse Dash
Shared: Rhythm · Casual · 2D

Sparkle 2 Evo
Shared: Casual · Action · Simulation

Wobbly Life
Shared: Simulation · Sandbox · Casual

Slime Rancher
Shared: Simulation · Casual · Sandbox

Your Only Move Is HUSTLE
Shared: Action · Simulation · 2D

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

Incredibox
Shared: Casual · Rhythm · Audio Production

鬼谷八荒 Tale of Immortal
Shared: Simulation · Sandbox · Action

Game Dev Tycoon
Shared: Simulation · Casual · 2D