| Unknown | ||||
| Name | Format | Size | Date | |
|---|---|---|---|---|
| BLOCKMAP | Unknown | 578b | 1995-01-20 | |
| LINEDEFS | Unknown | 168b | 1995-01-20 | |
| NODES | Unknown | 140b | 1995-01-20 | |
| SECTORS | Unknown | 26b | 1995-01-20 | |
| SEGS | Unknown | 192b | 1995-01-20 | |
| SIDEDEFS | Unknown | 360b | 1995-01-20 | |
| SSECTORS | Unknown | 24b | 1995-01-20 | |
| THINGS | Unknown | 90b | 1995-01-20 | |
| VERTEXES | Unknown | 64b | 1995-01-20 | |