Games like Pretty Buttons
Games like Pretty Buttons include House Flipper, Totally Accurate Battle Simulator, Garry's Mod, Kerbal Space Program, and Game Dev Tycoon. We matched them by the tags players give Pretty Buttons on Steam (Casual, Simulation, Sandbox, Education, and Colorful): closest matches first, and among equally close ones the better-known games.

House Flipper
Shared: Simulation · Casual · Sandbox

Totally Accurate Battle Simulator
Shared: Simulation · Sandbox · Singleplayer

Garry's Mod
Shared: Sandbox · Casual · Simulation

Kerbal Space Program
Shared: Simulation · Sandbox · Education

Game Dev Tycoon
Shared: Simulation · Casual · Indie

Slime Rancher
Shared: Colorful · Singleplayer · Sandbox

PC Building Simulator
Shared: Simulation · Education · Sandbox

Goat Simulator
Shared: Simulation · Sandbox · Casual

PowerWash Simulator
Shared: Casual · Simulation · Sandbox

Click the Button
Shared: Casual · Simulation · Indie

Equilinox
Shared: Simulation · Casual · Sandbox

Universe Sandbox
Shared: Simulation · Sandbox · Casual

Mountain
Shared: Simulation · Casual · Indie

Townscaper
Shared: Sandbox · Casual · Simulation

Passpartout: The Starving Artist
Shared: Casual · Simulation · Indie

Plague Inc: Evolved
Shared: Simulation · Casual · Indie

Potion Craft: Alchemist Simulator
Shared: Simulation · Singleplayer · Casual

People Playground
Shared: Sandbox · Simulation · Singleplayer

Barn Finders
Shared: Casual · Simulation · Indie

911 Operator
Shared: Simulation · Casual · Indie

Poly Bridge
Shared: Simulation · Sandbox · Singleplayer

MyVoiceZoo
Shared: Casual · Simulation · Sandbox

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

Two Point Hospital
Shared: Simulation · Sandbox · Casual