GameMaker

GameMaker is the industry’s premier 2D game engine, used by thousands of developers every day to create indie gaming classics like Undertale, Hyper Light Drifter, and Chicory: A Colorful Tale. 

It’s completely free to download and keep forever, with dozens of written guides and video tutorials to help you bring your games to life. 

When your project is complete, you can publish your creations to all major platforms, including PlayStation 5, Xbox Series X|S, and Nintendo Switch.