Games like Idle Rat: Island Digger
Games like Idle Rat: Island Digger include Rusty's Retirement, Digseum, Shelldiver, Cookie Clicker, and Tiny Pasture. We matched them by the tags players give Idle Rat: Island Digger on Steam (Idler, Simulation, Pixel Graphics, Relaxing, and Utilities): closest matches first, and among equally close ones the better-known games.

Rusty's Retirement
Shared: Idler · Simulation · Management

Digseum
Shared: Idler · Simulation · Relaxing

Shelldiver
Shared: Idler · Management · Relaxing

Cookie Clicker
Shared: Idler · Pixel Graphics · Management

Tiny Pasture
Shared: Idler · Pixel Graphics · Relaxing

Nodebuster
Shared: Idler · Simulation · Management

Cornerpond
Shared: Idler · Simulation · Pixel Graphics

DAVE THE DIVER
Shared: Pixel Graphics · Management · Relaxing

Fortune Mill
Shared: Idler · Pixel Graphics · Simulation

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

Stardew Valley
Shared: Pixel Graphics · Simulation · Relaxing

Click the Button
Shared: Idler · Simulation · Pixel Graphics

Loot Loop
Shared: Simulation · Idler · Relaxing

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

Fracture Field
Shared: Idler · Relaxing · Automation

Unpacking
Shared: Relaxing · Pixel Graphics · Simulation

Ropuka's Idle Island
Shared: Idler · Relaxing · Utilities

Cast n Chill
Shared: Pixel Graphics · Idler · Relaxing

Click and Conquer
Shared: Simulation · Idler · Pixel Graphics

Chill Pulse
Shared: Idler · Simulation · Utilities

Incredicer
Shared: Idler · Relaxing · Simulation

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

Lyca
Shared: Idler · Simulation · Relaxing

Scritchy Scratchy
Shared: Idler · Simulation · Relaxing