Games like Feed The Flame
Games like Feed The Flame include Cookie Clicker, Factorio, Shelldiver, Fortune Mill, and Cities: Skylines. We matched them by the tags players give Feed The Flame on Steam (Casual, Simulation, Strategy, Idler, and Pixel Graphics): closest matches first, and among equally close ones the better-known games.

Cookie Clicker
Shared: Casual · Idler · Pixel Graphics

Factorio
Shared: Automation · Strategy · Resource Management

Shelldiver
Shared: Casual · Idler · Resource Management

Fortune Mill
Shared: Idler · Simulation · Pixel Graphics

Cities: Skylines
Shared: Simulation · Strategy · Singleplayer

Nodebuster
Shared: Casual · Strategy · Simulation

Plague Inc: Evolved
Shared: Simulation · Strategy · Casual

Mini Motorways
Shared: Simulation · Casual · Strategy

Beltmatic
Shared: Casual · Automation · Simulation

Dragon Cliff
Shared: Strategy · Idler · Casual

Your Big, Cute Monster Farm
Shared: Casual · Simulation · Strategy

Rusty's Retirement
Shared: Idler · Simulation · Automation

Chef Knight
Shared: Simulation · Strategy · Casual

Game Dev Tycoon
Shared: Simulation · Casual · Strategy

Click and Conquer
Shared: Casual · Simulation · Idler

DAVE THE DIVER
Shared: Casual · Pixel Graphics · Simulation

Maltese's Fluffy Onsen
Shared: Simulation · Pixel Graphics · Casual

Incredicer
Shared: Casual · Idler · Strategy

Click the Button
Shared: Casual · Simulation · Idler

Fracture Field
Shared: Idler · Casual · Automation

shapez
Shared: Automation · Strategy · Resource Management

Dyson Sphere Program
Shared: Automation · Simulation · Resource Management

Captain of Industry
Shared: Simulation · Automation · Strategy

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