All stages are unlocked except one (the game was glitching for me, I don't know why),
all characters are unlocked,
the entire cosmic matrix is ​​unlocked,
all challenges are completed

Unzip to:

C:\Users\*your username*\AppData\Roaming\GSE Saves\2753970

Don't forget to back up your saves, as they may not work on newer versions!

Author: nick45