Games like Galactic Overthrow
Games like Galactic Overthrow include Cookie Clicker, Shelldiver, Digseum, Keep on Mining!, and Nodebuster. We matched them by the tags players give Galactic Overthrow on Steam (Incremental, Idler, Simulation, Capitalism, and Casual): closest matches first, and among equally close ones the better-known games.

Cookie Clicker
Shared: Incremental · Idler · Casual

Shelldiver
Shared: Incremental · Casual · Idler

Digseum
Shared: Incremental · Idler · Casual

Keep on Mining!
Shared: Incremental · Idler · Casual

Nodebuster
Shared: Incremental · Idler · Casual

Click the Button
Shared: Incremental · Idler · Casual

Scritchy Scratchy
Shared: Incremental · Idler · Simulation

Game Dev Tycoon
Shared: Simulation · Casual · Management

Bills Must Be Paid
Shared: Incremental · Capitalism · Idler

Fortune Mill
Shared: Incremental · Idler · Simulation

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

Chef Knight
Shared: Incremental · Simulation · Casual

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

Lyca
Shared: Incremental · Idler · Casual

Gamblers Table
Shared: Incremental · Capitalism · Idler

Incredicer
Shared: Incremental · Idler · Casual

MMO98
Shared: Incremental · Simulation · Idler

Russian Life Simulator
Shared: Incremental · Simulation · 2D

Supermarket Simulator
Shared: Simulation · Management · Economy

Fracture Field
Shared: Incremental · Idler · Casual

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

Click and Conquer
Shared: Incremental · Simulation · Idler

Loot Loop
Shared: Incremental · Simulation · Idler

Budgie's Bug Shop
Shared: Incremental · Simulation · Idler