Games like EarthRoyale 3
Games like EarthRoyale 3 include PowerWash Simulator, Stardew Valley, Mountain, DAVE THE DIVER, and Sticky Business. We matched them by the tags players give EarthRoyale 3 on Steam (Simulation, Casual, God Game, 2D, and 3D): closest matches first, and among equally close ones the better-known games.

PowerWash Simulator
Shared: Casual · Simulation · 3D

Stardew Valley
Shared: Simulation · Pixel Graphics · Relaxing

Mountain
Shared: Simulation · Casual · God Game

DAVE THE DIVER
Shared: Casual · Pixel Graphics · Simulation

Sticky Business
Shared: Casual · Simulation · Relaxing

Reus
Shared: God Game · Simulation · Casual

Touhou Mystia's Izakaya
Shared: Casual · Simulation · Pixel Graphics

Unpacking
Shared: Casual · Simulation · Pixel Graphics

Equilinox
Shared: Simulation · Casual · God Game

Click the Button
Shared: Casual · Simulation · Pixel Graphics

Simmiland
Shared: Simulation · God Game · Casual

Sand:box
Shared: Simulation · 2D · God Game

Potion Craft: Alchemist Simulator
Shared: Simulation · 2D · Casual

Slime Rancher 2
Shared: Simulation · Colorful · Casual

Unfair Flips
Shared: Casual · Simulation · 2D

WorldBox - God Simulator
Shared: Simulation · God Game · Pixel Graphics

Papers, Please
Shared: Simulation · Pixel Graphics · Indie

Shelldiver
Shared: Casual · Simulation · 2D

Game Dev Tycoon
Shared: Simulation · Casual · 2D

Nodebuster
Shared: Casual · Simulation · 2D

Digseum
Shared: Casual · Simulation · Pixel Graphics

Totally Accurate Battle Simulator
Shared: Simulation · Colorful · 3D

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

Click and Conquer
Shared: Casual · Simulation · Pixel Graphics