Games like PolyPine
Games like PolyPine include Mountain, Equilinox, Cookie Clicker, Cell to Singularity - Evolution Never Ends, and Shelldiver. We matched them by the tags players give PolyPine on Steam (Incremental, Nature, Simulation, Sandbox, and Idler): closest matches first, and among equally close ones the better-known games.

Mountain
Shared: Simulation · Casual · Relaxing

Equilinox
Shared: Simulation · Sandbox · Casual

Cookie Clicker
Shared: Incremental · Idler · Casual

Cell to Singularity - Evolution Never Ends
Shared: Incremental · Simulation · Idler

Shelldiver
Shared: Incremental · Casual · Idler

Planet Coaster
Shared: Simulation · Sandbox · Relaxing

Nodebuster
Shared: Incremental · Simulation · Casual

Potion Craft: Alchemist Simulator
Shared: Simulation · Relaxing · Singleplayer

Planet Zoo
Shared: Simulation · Nature · Sandbox

Reus
Shared: Simulation · Sandbox · God Game

Tiny Pasture
Shared: Incremental · Idler · Casual

Digseum
Shared: Incremental · Simulation · Idler

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

House Flipper
Shared: Simulation · Sandbox · Singleplayer

鬼谷八荒 Tale of Immortal
Shared: Simulation · Sandbox · Singleplayer

Cloud Gardens
Shared: Nature · Sandbox · Relaxing

Tiny Glade
Shared: Sandbox · Relaxing · Casual

Keep on Mining!
Shared: Incremental · Idler · Casual

Game Dev Tycoon
Shared: Simulation · Casual · Singleplayer

Townscaper
Shared: Sandbox · Relaxing · Simulation

Fortune Mill
Shared: Incremental · Idler · Simulation

Loot Loop
Shared: Incremental · Simulation · Casual

Bongo Cat
Shared: Idler · Incremental · Casual

Click the Button
Shared: Incremental · Casual · Simulation