Games like Poly Puzzle: Cats
Games like Poly Puzzle: Cats include aMAZE 2, Zup! S, Slime Rancher 2, The Last Campfire, and Hook. We matched them by the tags players give Poly Puzzle: Cats on Steam (Puzzle, 2D, Cute, Singleplayer, and Side Scroller): closest matches first, and among equally close ones the better-known games.

aMAZE 2
Shared: Puzzle · 2D · Side Scroller

Zup! S
Shared: Puzzle · 2D · Singleplayer

Slime Rancher 2
Shared: Cute · Singleplayer · Creature Collector

The Last Campfire
Shared: Puzzle · Cute · Singleplayer

Hook
Shared: Puzzle · Singleplayer · Abstract

Unpacking
Shared: Cute · Puzzle · Singleplayer

Carto
Shared: Puzzle · Cute · Singleplayer

Gorogoa
Shared: Puzzle · Singleplayer · 2D

Purple Place - Classic Games
Shared: Puzzle · 2D · Cute

A Little to the Left
Shared: Puzzle · Cute · Singleplayer

Plants vs. Zombies GOTY Edition
Shared: Singleplayer · 2D · Puzzle

LIMBO
Shared: Puzzle · 2D · Singleplayer

OneShot
Shared: Cute · Puzzle · Singleplayer

Papers, Please
Shared: Singleplayer · Puzzle · 2D

Scribblenauts Unlimited
Shared: Puzzle · 2D · Singleplayer

Baba Is You
Shared: Puzzle · Singleplayer · Cute

Is This Seat Taken?
Shared: Puzzle · Cute · Singleplayer

Donut County
Shared: Puzzle · Cute · Singleplayer

Firework
Shared: Puzzle · 2D · Singleplayer

Strange Jigsaws
Shared: Puzzle · 2D · Abstract

Zuma Deluxe
Shared: Puzzle · 2D · Cute

LEGO® Builder's Journey
Shared: Cute · Puzzle · Singleplayer

aMAZE
Shared: Puzzle · 2D · Singleplayer

Zup!
Shared: Puzzle · 2D · Singleplayer