Eclidus is a 2D puzzle game for iOS and Android that aims to be the Rubik's Cube of mobile gaming | Pocket Gamer
A Beginner's Guide to 2D Puzzle Games with Unity: Create 2D Puzzle Games and Learn to Code in the Process: Felicia, Patrick: 9798555884800: Amazon.com: Books
Artlayer: acrylic 3D and 2D puzzle by Artlayer — Kickstarter