Games like Kingdom Inc.
Games like Kingdom Inc. include Cookie Clicker, Banana, Tower Wizard, Fortune Mill, and Shelldiver. We matched them by the tags players give Kingdom Inc. on Steam (Automation, Incremental, Resource Management, Strategy, and Simulation): closest matches first, and among equally close ones the better-known games.

Cookie Clicker
Shared: Incremental · Idler · Casual

Banana
Shared: Incremental · Idler · 2D

Tower Wizard
Shared: Incremental · Resource Management · Strategy

Fortune Mill
Shared: Incremental · Automation · Idler

Shelldiver
Shared: Incremental · Resource Management · Idler

Nodebuster
Shared: Incremental · Strategy · Simulation

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

Chef Knight
Shared: Incremental · Strategy · Resource Management

Keep on Mining!
Shared: Incremental · Idler · Capitalism

Factorio
Shared: Automation · Resource Management · Strategy

Gamblers Table
Shared: Automation · Incremental · Minimalist

Bills Must Be Paid
Shared: Incremental · Strategy · Capitalism

Incredicer
Shared: Incremental · Idler · Strategy

Click the Button
Shared: Incremental · Simulation · Idler

Widget Inc.
Shared: Automation · Incremental · Resource Management

Scritchy Scratchy
Shared: Incremental · Resource Management · Idler

Digseum
Shared: Incremental · Idler · Simulation

Click and Conquer
Shared: Incremental · Simulation · Idler

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

Sixty Four
Shared: Incremental · Automation · Strategy

Russian Life Simulator
Shared: Incremental · Simulation · Strategy

Fracture Field
Shared: Incremental · Automation · Resource Management

Beltmatic
Shared: Automation · Resource Management · Simulation

Starvester
Shared: Incremental · Automation · Strategy