.GM81 File Extension

Game Maker 8.1 Project File

Developer YoYo Games
4.1  |  17 Votes

What is a GM81 file?

Project file created by GameMaker, a video game development application that enables games to be created using drag-and-drop actions; may include source code as well as references to game resources, such as graphics, sound effects, and music.

More Information

Once development is complete, GameMaker projects can be built into a standard Windows executable (.EXE) file.

NOTE: GM81 files can only be opened and edited with GameMaker 8.1. Previous versions of GameMaker use the .GM6 and .GMK extensions.

Open over 400 file formats with File Viewer Plus.Free Download

Programs that open GM81 files


Verified by FileInfo.com

The FileInfo.com team has independently researched the Game Maker 8.1 Project file format and Windows apps listed on this page. Our goal is 100% accuracy and we only publish information about file types that we have verified.

If you would like to suggest any additions or updates to this page, please let us know.