.GM81 File Extension

GameMaker 8.1 Project File

General Information

Title GM81 File Extension
Extension .gm81
Full Form GameMaker 8.1 Project File
File Type Game Project File
Developer YoYo Games
MIME Type application/octet-stream

File Function

Primary Function Store project data
Additional Functions Include resources, scripts
Features Editable, Proprietary format

File Characteristics

Quality Depends on content
Supports Layers Yes, multiple resources
Supports Transparency Yes, in images
Editable Yes, with GameMaker

Use Cases

Game Development Yes
Educational Projects Yes
Prototyping Yes

Security and Practices

Security Risks Code execution
Best Practices Scan for viruses, Validate sources

Historical/Version Information

Initial Release 2011
Replaced By .gmx, .yyz (newer versions)

Associated Types

Similar Extensions .gmk, .gmx, .yyz

Software Compatibility

Software Usage Policy OS Compatibility
GameMaker 8.1 Paid Windows
‹ .anz | .hsf ›