GRP (Duke Nukem 3D)
From Just Solve the File Format Problem
				
								
				
				
																
				
				
								
				
A .grp file, commonly referred to as a Group File, is a uncompressed archive format used by Duke Nukem 3D (a Build Engine game) to store all of the game's content.
Structure
| Format | Type | Notes | 
|---|---|---|
| Signature |  char[12]
 | 
 "KenSilverman"
 | 
 File Count (count)
 | 
 int
 | 
|
| Files |  File[count]
 | 
For each File:
| Format | Type | Notes | 
|---|---|---|
| Filename |  String[12]
 | 
|
 File size (fileSize)
 | 
 int
 | 
|
| Data |  bytes[fileSize]
 |