Desire T.

Game programming requires substantial skill in software engineering as well as specialization in one or more of the following areas, which overlap heavily to create a game: simulation, computer graphics, artificial intelligence, physics, audio programming, and input. wikipedia.org

Unity is an integrated authoring tool for creating 3D video games or other interactive content such as architectural visualizations or real-time 3D animations. wikipedia.org

Cocos2d is an open source 2D game framework. There are three versions, one written in Python, one written in Objective-C targeting iOS and one written in C++ targeting mainly iOS and Android. wikipedia.org

Is a platform for web and mobile application. wikipedia.org

Construct 3 was announced in an entry in the official Scirra blog. New features include Mac and Linux support, multi-language support and third-party extensibility of the editor wikipedia.org

Android is an operating system based on the Linux kernel with a user interface based on direct manipulation, designed primarily for touchscreen mobile devices such as smartphones and tablet computers. wikipedia.org

C# (pronounced see sharp) is a multi-paradigm programming language encompassing strong typing, imperative, declarative, functional, generic, object-oriented (class-based), and component-oriented programming disciplines. wikipedia.org