Games like Project Chromata
Games like Project Chromata include Game Dev Tycoon, Plague Inc: Evolved, Cookie Clicker, Nodebuster, and Idle Champions of the Forgotten Realms. We matched them by the tags players give Project Chromata on Steam (Casual, Simulation, Idler, 2D, and Futuristic): closest matches first, and among equally close ones the better-known games.

Game Dev Tycoon
Shared: Simulation · Casual · 2D

Plague Inc: Evolved
Shared: Simulation · Casual · Strategy

Cookie Clicker
Shared: Idler · Casual · Indie

Nodebuster
Shared: Casual · Idler · Simulation

Idle Champions of the Forgotten Realms
Shared: Idler · Strategy · Free to Play

Papers, Please
Shared: Simulation · Indie · Singleplayer

Retirement Simulator
Shared: Simulation · Casual · Story Rich

911 Operator
Shared: Simulation · Casual · Strategy

A Game About Feeding A Black Hole
Shared: Casual · Idler · Simulation

Russian Life Simulator
Shared: Simulation · 2D · Singleplayer

Melvor Idle
Shared: Casual · Idler · 2D

Mini Metro
Shared: Simulation · Casual · Strategy

Mini Motorways
Shared: Simulation · Casual · Strategy

Idle Guy: Life Simulator games
Shared: Simulation · Idler · 2D

Reus
Shared: Simulation · Casual · Strategy

Plants vs. Zombies GOTY Edition
Shared: Casual · Singleplayer · Strategy

Lobotomy Corporation | Monster Management Simulation
Shared: Simulation · Story Rich · Singleplayer

Shelldiver
Shared: Casual · Idler · Simulation

Papa's Freezeria Deluxe
Shared: Simulation · Casual · Strategy

Mountain
Shared: Simulation · Casual · Indie

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

BidKing
Shared: Casual · Simulation · Strategy

Dragon Cliff
Shared: Idler · Casual · Strategy

Chef Knight
Shared: Simulation · Casual · Strategy