[v2022.8, v1.4] GameMaker Studio – Ultimate 2D game IDE for both amateurs and professionals

GameMaker Studio (GMS for short, formerly called: Game Maker, Animo) is a very powerful and popular cross-platform, multi-genre game development engine (GDE)/game creation system (GCS) for both entry-level novices/amateurs and seasoned game development professionals. It was written in Delphi by Mark Overmars from Netherlands and first published in 1999.