| Extension Name | Extension Type | Category | Dev.Company | File Format |
|---|---|---|---|---|
| .CGZ File Extension | Cube Map File | Game | Wouter van Oortmerssen | Binary |
| .MPZ File Extension | Red Eclipse Map File | Game | Wouter van Oortmerssen | Binary |
| .OGZ File Extension | Cube 2 Map File | Game | Wouter van Oortmerssen | Binary |
| .WPT File Extension | Cube 2 Waypoint File | Game | Wouter van Oortmerssen | Binary |
| .BGZ File Extension | Blood Frontier Map File | Game | Wouter van Oortmerssen | Binary |