Unity 2d

Packt Publishing

Mastering Unity 2D Game Development - Second Edition: Using Unity 5 to develop a retro RPG

Apress

Developing 2D Games with Unity: Independent Game Programming with C# (English Edition)

Unity 2D Front to Back: A helping hand towards starting 2D game development using the Unity Engine. (English Edition)

Independently published

A Beginner's Guide to 2D Shooter Games with Unity: Create a Simple 2D Shooter Game and Learn to Code in C# in the Process

The Ultimate Guide to 2D Games Development with Unity: Build your favorite 2D Games easily with Unity (English Edition)

Independently published

A Beginner's Guide to 2D Platform Games with Unity: Create a Simple 2D Platform Game and Learn to Code in the Process

Jesse Freeman

Unity's New 2D Workflow: A Quick-Start Guide to Making 2D Games in Unity 4.3 (Weekend Code Project Book 1) (English Edition)

Packt Publishing

Mastering Unity 2D Game Development - Building Exceptional 2D Games with Unity (English Edition)

CRC Press

2D Game Development with Unity                  

Independently published

2D Game Development Using Unity Engine