Best Compression Methods for 'Specific' Games. Q&A

[KaktoR]

Anno 1800
v14.0, all DLC, nothing ripped

 11:38:48 - Selected ARC/DS method for Data1a-01.bin was: msc_tak+srep_new+razor_mtx
 11:38:48 - Selected ARC/DS method for Data1b-01.bin was: xtool:mzlib+srep_new+4x4:b64mb:lzma:ultra:64m:bt4:fb273:lc8:mc10000
--------------------------------------------------------------------------------------
 16:38:34 - Overall input size: 72.87 GB
 16:38:34 - Overall output size: 28.32 GB (Ratio 38.87%)
 16:38:34 - Data files creation time: 04:33:15

[Masquerade]

Five Nights At Freddy's: Security Breach [Build 8479365]

srep+razor/$pak=ue4d:key=85F7D4007015493ED0359C9007266038F8F7B1F96988F19A610103874CC95286+srep+lolz/$mp4=srep+zstd

60.3GB ----> 21.2GB

Notes:

• cls-ue4d used - made by Shegorat
• Do not use srep 3.93b, crash on decompression.

[Masquerade]

Step 1: Decrypt the game files:

1. Download the decryption tool from the attachment below (credits to atom0s & Gabriel Dehan). This EXE is specific to game version v1.1.5.5.
2. Drop the EXE into the game's root folder.
3. Open CMD prompt here.
4. Run the following command:
   

   for /r %f in (*.pak) do Pak_Decrypt "%f" "%~df%~pf%~nf.zip"

5. Once the above command completes, run the next command:
   

   for /r %f in (*.zip) do del "%~df%~pf%~nf.pak"

6. Once the above command completes, run the next command:
   

   for /r %f in (*.zip) do ren "%f" "%~nf.pak"

Now you have a fully decrypted game.

Step 2: Compression

• Make 2 archives.
• Archive 2 will contain "Sounds_MISC.pak" and "Sounds_WEM.pak".
• Archive 1 will contain everything else.

Start Size: 33.6GB

Method for archive 1:

xzlib+srep+lolz

Method for archive 2:

srep+lz4:l12

Final Compressed Size: 13.6GB