NMS Decompressinator v1.0.4

No Man's Sky Decompressinator is a simple batch script that uses psarc and NMSResign to decompress and repack your game files with compression disabled on the archives.

This will make the game have less lag spikes when loading game assets and load slightly faster, since the game does not have to use CPU to decompress it's assets, and unlike running the game fully unpacked, it loads faster, since it does not open 1000s of file system handles to access it's 1000s of files- rather, it is still accessing only a handful of files, but not needing to decompress anything out of them.

It doesn't conflict with any mods, and should work for any No Man's Sky version except the oldest ones that do not contain BankSignitures.

It will increase the size of your No Man's Sky install by at least 45GB, more if you are running it on a newer version.
If you have a Steam Deck, I suggest running this on a Windows PC copy of the game and copying and replacing the files, once the process is complete.

Usage:

1. Download the 7z below and unzip it in your No Man's Sky install folder, in the GAMEDATA/PCBANKS folder
2. Run NMS-Decompressinator.bat
3. Wait patiently for it to finish. It can take upwards of 10 minutes, longer depending on how powerful your CPU is.
4. Play the game and make sure it is working.
5. (Optional) Delete the "PackedFileBackup" folder to save space.

This program is future proof, and can be ran on any version of No Man's Sky- however, whenever the game updates, you will need to validate the game files in Steam, delete the PackedFileBackup folder, and run it again.