This book mainly focuses on developing 2D games using UE5 (Unreal Engine 5) and covers all the technical knowledge required to create 2D content with UE5. The content of the book includes fundamental knowledge needed for developing 2D games with UE5 (Chapters 1-6), covering UE5 installation, project structure analysis, interface layout, as well as specific settings for 2D projects. It also includes examples of 2D game projects (Chapters 7-9), each presenting a complete 2D game, gradually introducing various technical aspects of 2D content creation. The final Chapter 10 discusses creating 2D interactive art pieces and non-game interactive content using UE5. The examples in the book come with accompanying resources and source code.