Games like EcoGenesis
Games like EcoGenesis include Factorio, Potion Craft: Alchemist Simulator, Reus, shapez, and Jurassic World Evolution. We matched them by the tags players give EcoGenesis on Steam (Crafting, Resource Management, Strategy, Sandbox, and Trivia): closest matches first, and among equally close ones the better-known games.

Factorio
Shared: Resource Management · Crafting · Sandbox

Potion Craft: Alchemist Simulator
Shared: Crafting · Simulation · Resource Management

Reus
Shared: Strategy · Sandbox · Simulation

shapez
Shared: Resource Management · Crafting · Sandbox

Jurassic World Evolution
Shared: Strategy · Simulation · Dinosaurs

Cities: Skylines
Shared: Strategy · Simulation · Sandbox

Jurassic World Evolution 2
Shared: Dinosaurs · Sandbox · Simulation

SPORE™
Shared: Sandbox · Simulation · God Game

Jurassic World Evolution 3
Shared: Strategy · Simulation · Sandbox

Prehistoric Kingdom
Shared: Sandbox · Dinosaurs · Strategy

Prison Architect
Shared: Sandbox · Simulation · Strategy

Oxygen Not Included
Shared: Resource Management · Sandbox · Strategy

Kingdoms and Castles
Shared: Resource Management · Strategy · Simulation

Dorfromantik
Shared: Strategy · Resource Management · Sandbox

Craft The World
Shared: Crafting · Sandbox · Strategy

Totally Accurate Battle Simulator
Shared: Sandbox · Strategy · Simulation

The Escapists
Shared: Crafting · Strategy · Simulation

Startup Company
Shared: Strategy · Simulation · Sandbox

Game Dev Tycoon
Shared: Strategy · Simulation · Sandbox

Beltmatic
Shared: Resource Management · Sandbox · Crafting

Forage Wizard
Shared: Crafting · Simulation · Resource Management

BidKing
Shared: Strategy · Simulation · Trivia

Banished
Shared: Strategy · Simulation · Sandbox

Satisfactory
Shared: Crafting · Resource Management · Sandbox