Games like Idle Plinko
Games like Idle Plinko include Cookie Clicker, Banana, Click the Button, Digseum, and Papers, Please. We matched them by the tags players give Idle Plinko on Steam (Casual, Point & Click, Idler, Incremental, and 2D): closest matches first, and among equally close ones the better-known games.

Cookie Clicker
Shared: Idler · Casual · Incremental

Banana
Shared: Incremental · Casual · 2D

Click the Button
Shared: Casual · Idler · Incremental

Digseum
Shared: Casual · Incremental · Idler

Papers, Please
Shared: Point & Click · Pixel Graphics · Indie

Shelldiver
Shared: Casual · Incremental · Idler

Fortune Mill
Shared: Idler · Incremental · Casual

Horripilant
Shared: Idler · Incremental · Casual

Nodebuster
Shared: Casual · Incremental · Idler

Keep on Mining!
Shared: Casual · Idler · Incremental

Click and Conquer
Shared: Casual · Incremental · Idler

To The Core
Shared: Casual · Incremental · 2D

Tiny Pasture
Shared: Idler · Casual · Incremental

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

Marisa!ReturnTheBook!
Shared: Casual · Idler · Incremental

FACEMINER
Shared: Incremental · Idler · Point & Click

Timber Rush
Shared: Casual · Idler · Incremental

Bongo Cat
Shared: Idler · Casual · 2D

There Is No Game: Wrong Dimension
Shared: Point & Click · Casual · Pixel Graphics

Scritchy Scratchy
Shared: Incremental · Idler · Casual

Human-powered spacecraft
Shared: Casual · Incremental · Idler

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

Tower Wizard
Shared: Idler · Incremental · 2D

Scratchers
Shared: Casual · Incremental · Idler