Games like Fill That Pig
Games like Fill That Pig include Shelldiver, Cookie Clicker, A Game About Feeding A Black Hole, Nodebuster, and Keep on Mining!. We matched them by the tags players give Fill That Pig on Steam (Incremental, Casual, Resource Management, Minimalist, and Animals): closest matches first, and among equally close ones the better-known games.

Shelldiver
Shared: Incremental · Casual · Resource Management

Cookie Clicker
Shared: Incremental · Casual · Resource Management

A Game About Feeding A Black Hole
Shared: Incremental · Casual · 2D

Nodebuster
Shared: Incremental · Casual · 2D

Keep on Mining!
Shared: Incremental · Casual · Singleplayer

Russian Life Simulator
Shared: Incremental · 2D · Singleplayer

Chef Knight
Shared: Incremental · Casual · Resource Management

Mini Motorways
Shared: Casual · Minimalist · Simulation

Factorio
Shared: Resource Management · Automation · Casual

Orb of Creation
Shared: Incremental · Casual · Resource Management

Fortune Mill
Shared: Incremental · Resource Management · Casual

Mini Metro
Shared: Minimalist · Casual · Singleplayer

Click and Conquer
Shared: Incremental · Casual · Minimalist

Digseum
Shared: Incremental · Casual · Minimalist

Rock Bottom
Shared: Incremental · Casual · Resource Management

Game Dev Tycoon
Shared: Casual · Singleplayer · 2D

Zup! S
Shared: Casual · 2D · Minimalist

Timberman
Shared: Casual · 2D · Incremental

Incredicer
Shared: Incremental · Casual · Resource Management

Click the Button
Shared: Casual · Incremental · Indie

Gamblers Table
Shared: Incremental · Minimalist · Automation

Potion Craft: Alchemist Simulator
Shared: Singleplayer · Resource Management · Casual

Melvor Idle
Shared: Casual · Singleplayer · 2D

shapez
Shared: Resource Management · Automation · Singleplayer