Games like Vilmonic
Games like Vilmonic include Stardew Valley, SPORE™, My Time at Portia, Coral Island, and Graveyard Keeper. We matched them by the tags players give Vilmonic on Steam (Simulation, Nature, Sandbox, Crafting, and God Game): closest matches first, and among equally close ones the better-known games.

Stardew Valley
Shared: Simulation · Sandbox · Farming Sim

SPORE™
Shared: Sandbox · Simulation · God Game

My Time at Portia
Shared: Simulation · Crafting · Casual

Coral Island
Shared: Simulation · Crafting · Farming Sim

Graveyard Keeper
Shared: Simulation · Crafting · Sandbox

Sandboxels
Shared: Sandbox · Nature · God Game

I Am Future: Cozy Apocalypse Survival
Shared: Simulation · Casual · Crafting

Kerbal Space Program
Shared: Simulation · Sandbox · Science

Thrive
Shared: Simulation · Sandbox · Nature

Universe Sandbox
Shared: Simulation · Sandbox · Science

The Sapling
Shared: Sandbox · Nature · God Game

Planetary Life
Shared: Simulation · Sandbox · God Game

Staxel
Shared: Sandbox · Nature · Agriculture

Kenshi
Shared: Sandbox · Simulation · Crafting

Totally Accurate Battle Simulator
Shared: Simulation · Sandbox · Strategy

Farming Simulator 22
Shared: Simulation · Sandbox · Agriculture

Equilinox
Shared: Simulation · Sandbox · Casual

WorldBox - God Simulator
Shared: Simulation · Sandbox · God Game

Slime Rancher
Shared: Simulation · Sandbox · Cute

Farm Together
Shared: Simulation · Agriculture · Casual

Reus
Shared: Simulation · God Game · Sandbox

Littlewood
Shared: Simulation · Crafting · Sandbox

Potion Craft: Alchemist Simulator
Shared: Simulation · Crafting · Sandbox

The Scroll of Taiwu : Beyond The Dome
Shared: Sandbox · Simulation · RPG