Games like Idling Gears
Games like Idling Gears include Cookie Clicker, Keep on Mining!, (the) Gnorp Apologue, Banana, and Shelldiver. We matched them by the tags players give Idling Gears on Steam (Incremental, Idler, Singleplayer, Economy, and Building): closest matches first, and among equally close ones the better-known games.

Cookie Clicker
Shared: Incremental · Idler · Economy

Keep on Mining!
Shared: Incremental · Idler · Singleplayer

(the) Gnorp Apologue
Shared: Incremental · Idler · Economy

Banana
Shared: Incremental · Singleplayer · Idler

Shelldiver
Shared: Incremental · Idler · Resource Management

Tower Wizard
Shared: Incremental · Idler · Resource Management

Scritchy Scratchy
Shared: Incremental · Idler · Resource Management

Cities: Skylines
Shared: Building · Singleplayer · Economy

Supermarket Simulator
Shared: Economy · Singleplayer · Management

Fortune Mill
Shared: Incremental · Idler · Economy

Kiwi Clicker - Juiced Up
Shared: Incremental · Idler · Economy

Oxygen Not Included
Shared: Singleplayer · Building · Resource Management

Factory Town Idle
Shared: Incremental · Idler · Resource Management

Digseum
Shared: Incremental · Idler · Management

Bills Must Be Paid
Shared: Incremental · Idler · Capitalism

Keep on Mining! - Worlds
Shared: Incremental · Idler · Singleplayer

Game Dev Tycoon
Shared: Singleplayer · Management · Economy

Idle Champions of the Forgotten Realms
Shared: Idler · Incremental · Singleplayer

Fracture Field
Shared: Incremental · Idler · Resource Management

Cities: Skylines II
Shared: Building · Singleplayer · Economy

Chef Knight
Shared: Incremental · Idler · Resource Management

Hearth and Hamlet
Shared: Incremental · Idler · Management

A Game About Feeding A Black Hole
Shared: Incremental · Idler · Singleplayer

Gas Station Simulator
Shared: Economy · Singleplayer · Building