2d Game Engine

Building a 2D Game Engine in C# (English Edition)

Apress

Build your own 2D Game Engine and Create Great Web Games: Using HTML5, JavaScript, and WebGL

Apress

Building a 2D Game Physics Engine: Using HTML5 and JavaScript (English Edition)

Apress

Build Your Own 2D Game Engine and Create Great Web Games: Using HTML5, JavaScript, and WebGL2 (English Edition)

Defold A thorough introduction to 2D game programming starting from the basics of the engine (Japanese Edition)

Solar2D A thorough introduction to 2D game programming starting from the basics of the engine (Japanese Edition)

Shinzan palette

Python game development and physics engine tricks - Realistic physics simulation achieved by creating 2D games using Pygame and Pymunk - (Japanese Edition)

Unity Engine: A thorough introduction to C# 2D game programming (Japanese Edition)

Independently published

C++ for 2D Game Development: A Practical Guide to Creating Games with C++ and Popular Game Engines, such as Unity and Unreal Engine

Independently published

2D Game Development Using Unity Engine