All alternative versions of weapons are open
All secret bosses - levels are available
Special characters (cat, hamster) are unlocked
Full access to secret content
Almost all encore levels

Installation:
Open the root folder with the game
Find and open the "saves" folder
Download the file and move it to the "saves" folder
Launch the game and enjoy full access to all content

Warning:
The save is taken from a license from Steam, it is unknown whether it will work on a pirated version. And probably it will also not work on an older version.

Author: galkinkv12