If you’re curious about the software--or game development in general--consider picking up this Unity 2D Game Developer Bundle, which offers 15 hours of coursework for just $40.

Mastering Unity 2D Game Development by Simon Jackson will essentially walk you through creating a 2D side-scrolling RPG.

Unity has released a software suite called Muse that’s packed with AI to simplify the game creation process. These tools let you chat with a bot to get usable code and much more.

Unity has been the engine of choice for thousands of developers and it's still really good if you want to have a go at making a simple 2D game for a host of different platforms.