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

aMAZE 2
Shared: Puzzle · 2D · Side Scroller

The Last Campfire
Shared: Puzzle · Cute · Singleplayer

Zup! S
Shared: Puzzle · 2D · Singleplayer

OneShot
Shared: Cute · Puzzle · Atmospheric

Slime Rancher 2
Shared: Cute · Singleplayer · Creature Collector

LIMBO
Shared: Puzzle · 2D · Atmospheric

Carto
Shared: Puzzle · Cute · Singleplayer

Unpacking
Shared: Cute · Puzzle · Singleplayer

Papers, Please
Shared: Singleplayer · Puzzle · 2D

Gorogoa
Shared: Puzzle · Singleplayer · Atmospheric

Baba Is You
Shared: Puzzle · Singleplayer · Cute

Firework
Shared: Puzzle · 2D · Atmospheric

Stray
Shared: Singleplayer · Atmospheric · Cute

Hook
Shared: Puzzle · Singleplayer · 2D

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

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

Machinarium
Shared: Puzzle · 2D · Atmospheric

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

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

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

aMAZE
Shared: Puzzle · 2D · Singleplayer

Scribblenauts Unlimited
Shared: Puzzle · 2D · Singleplayer

Wayout
Shared: Puzzle · Singleplayer · Atmospheric

The Tiny Bang Story
Shared: Puzzle · 2D · Atmospheric