Games like Idle Deepcore
Games like Idle Deepcore include Cookie Clicker, Banana, Fortune Mill, Digseum, and Fracture Field. We matched them by the tags players give Idle Deepcore on Steam (Incremental, Idler, Automation, Simulation, and Mining): closest matches first, and among equally close ones the better-known games.

Cookie Clicker
Shared: Incremental · Idler · Pixel Graphics

Banana
Shared: Incremental · Idler · 2D

Fortune Mill
Shared: Incremental · Idler · Automation

Digseum
Shared: Incremental · Idler · Simulation

Fracture Field
Shared: Incremental · Idler · Automation

IdleOn - The Incremental MMO
Shared: Idler · Incremental · Pixel Graphics

Click the Button
Shared: Incremental · Idler · Simulation

Nodebuster
Shared: Incremental · Idler · Simulation

Melvor Idle
Shared: Idler · Automation · Mining

Keep on Mining!
Shared: Incremental · Idler · Mining

Shelldiver
Shared: Incremental · Idler · Simulation

To The Core
Shared: Incremental · 2D · Mining

Click Mage
Shared: Incremental · Simulation · Pixel Graphics

Tower Wizard
Shared: Incremental · Idler · Pixel Graphics

Click and Conquer
Shared: Incremental · Idler · Simulation

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

Cornerpond
Shared: Idler · Incremental · Simulation

Rusty's Retirement
Shared: Idler · Automation · Simulation

Scritchy Scratchy
Shared: Incremental · Idler · Simulation

Horripilant
Shared: Incremental · Idler · Pixel Graphics

Papers, Please
Shared: Simulation · Pixel Graphics · Indie

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

Widget Inc.
Shared: Incremental · Automation · Simulation

All Hail the Orb
Shared: Incremental · Automation · Simulation