Games like IIGG: Incremental Idle Goblin Game
Games like IIGG: Incremental Idle Goblin Game include Cookie Clicker, Timberman, Click the Button, Idle Champions of the Forgotten Realms, and Kin and Quarry. We matched them by the tags players give IIGG: Incremental Idle Goblin Game on Steam (Casual, Incremental, Singleplayer, 2.5D, and Colony Sim): closest matches first, and among equally close ones the better-known games.

Cookie Clicker
Shared: Incremental · Casual · Pixel Graphics

Timberman
Shared: Casual · Pixel Graphics · Singleplayer

Click the Button
Shared: Casual · Incremental · Indie

Idle Champions of the Forgotten Realms
Shared: Incremental · Fantasy · Singleplayer

Kin and Quarry
Shared: Casual · Incremental · 2.5D

Vampire Survivors
Shared: Pixel Graphics · Singleplayer · Casual

The Adventure of NAYU
Shared: Casual · Incremental · Singleplayer

DAVE THE DIVER
Shared: Casual · Pixel Graphics · Singleplayer

Keep on Mining!
Shared: Incremental · Casual · Singleplayer

To The Core
Shared: Casual · Incremental · Singleplayer

Click Mage
Shared: Incremental · Casual · Pixel Graphics

SPACEPLAN
Shared: Casual · Incremental · Singleplayer

Unpacking
Shared: Casual · Pixel Graphics · Singleplayer

FEZ
Shared: Singleplayer · Casual · Pixel Graphics

Dragon Cliff
Shared: Incremental · Casual · Pixel Graphics

Papers, Please
Shared: Singleplayer · Indie · Pixel Graphics

Fortune Mill
Shared: Incremental · Casual · Pixel Graphics

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

Balatro
Shared: Singleplayer · Pixel Graphics · Casual

Human-powered spacecraft
Shared: Casual · Incremental · Singleplayer

Melvor Idle
Shared: Casual · Singleplayer · Indie

Orb of Creation
Shared: Incremental · Casual · Singleplayer

There Is No Game: Wrong Dimension
Shared: Casual · Indie · Pixel Graphics

Knights of Pen and Paper +1 Edition
Shared: Casual · Singleplayer · Fantasy