GameMaker Studio 2 (often called GMS2) is a 2D game development IDE. It is the next iteration of GameMaker: Studio, developed and published by YoYo Games. Use this tag only if your question relates to IDE operation, features and game development in GameMaker Studio 2.
GameMaker Studio 2 (often called GMS2) released early 2017, is a 2D game development IDE. It is the next iteration of GameMaker: Studio, developed and published by YoYo Games.
The IDE features Drag and Drop (DnD™) code blocks for easy programming, or a fully fledged code editor using GameMaker's proprietary language GML (GameMaker Language).
The IDE also comes with a full suite of art, object and level design tools and editors, allowing full game creation without the need of any external software.