Games like Idle Idle
Games like Idle Idle include Cookie Clicker, Nodebuster, Keep on Mining!, A Game About Feeding A Black Hole, and Click the Button. We matched them by the tags players give Idle Idle on Steam (Casual, Point & Click, Incremental, Idler, and 2D): closest matches first, and among equally close ones the better-known games.

Cookie Clicker
Shared: Incremental · Casual · Idler

Nodebuster
Shared: Casual · Incremental · Idler

Keep on Mining!
Shared: Casual · Incremental · Idler

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

Click the Button
Shared: Casual · Incremental · Idler

Shelldiver
Shared: Casual · Incremental · Idler

Digseum
Shared: Casual · Incremental · Idler

Gorogoa
Shared: Casual · Point & Click · Atmospheric

To The Core
Shared: Casual · Incremental · 2D

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

Bills Must Be Paid
Shared: Incremental · Casual · Idler

Human-powered spacecraft
Shared: Casual · Incremental · Idler

PegIdle
Shared: Casual · Incremental · Idler

Timber Rush
Shared: Casual · Idler · Incremental

Coin Flipper
Shared: Casual · Incremental · Idler

Incredicer
Shared: Casual · Incremental · Idler

Fischer's Fishing Journey
Shared: Casual · Idler · Cats

Melvor Idle
Shared: Casual · Idler · 2D

Marisa!ReturnTheBook!
Shared: Casual · Incremental · Idler

Russian Life Simulator
Shared: Incremental · 2D · Casual

Loot Loop
Shared: Casual · Incremental · Idler

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

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

Incredibox
Shared: Casual · 2D · Cartoony