Games like Plantasia
Games like Plantasia include Rusty's Retirement, Oxygen Not Included, Dyson Sphere Program, Stardew Valley, and Factorio. We matched them by the tags players give Plantasia on Steam (Farming Sim, Idler, Base Building, Time Management, and Simulation): closest matches first, and among equally close ones the better-known games.
Rusty's Retirement
Shared: Farming Sim · Idler · Simulation
Oxygen Not Included
Shared: Base Building · Resource Management · Building
Dyson Sphere Program
Shared: Base Building · Simulation · Resource Management
Stardew Valley
Shared: Farming Sim · Simulation · Building
Factorio
Shared: Base Building · Resource Management · Management
Potion Craft: Alchemist Simulator
Shared: Simulation · Management · Resource Management
Prison Architect
Shared: Simulation · Base Building · Building
Tavern Master
Shared: Simulation · Management · Resource Management
Farming Simulator 25
Shared: Farming Sim · Simulation · Time Management
Tiny Pasture
Shared: Idler · Farming Sim · Simulation
Luma Island
Shared: Farming Sim · Simulation · Cozy
Cookie Clicker
Shared: Idler · Management · Casual
Shelldiver
Shared: Idler · Resource Management · Management
How to Train Your Cock
Shared: Idler · Farming Sim · Cozy
Kingdoms and Castles
Shared: Simulation · Resource Management · Management
shapez 2 - Factory
Shared: Management · Simulation · Futuristic
Shop Titans
Shared: Idler · Base Building · Management
shapez
Shared: Base Building · Resource Management · Management
Manor Lords
Shared: Base Building · Simulation · Management
Autonauts
Shared: Simulation · Base Building · Farming Sim
Against the Storm
Shared: Base Building · Simulation · Building
Ropuka's Idle Island
Shared: Idler · Farming Sim · Cozy
Hearth and Hamlet
Shared: Base Building · Idler · Management
Schedule I
Shared: Simulation · Management · Base Building