Wow. I almost forgot about this topic... :) So you wrote a tool? Will you release it? No, what's the point? It was a very simple tool - no GUI, no options. But there is also a good news. I sent a letter to creator of GAUP with a brief description of how to unpack this files. Look at this: 0.4.9.0 PR...

The type of compression, used in PAK files, is a simple Deflate. ZLibEx library can handle such packed blocks with no problem. Each file in PAK archive is stored like this: @[Real file offset from the main table]: long PackedBlockSize long UnpackedBlockSize Here's a pseudocode to extract one file fr...