Greasy Fork is available in English.
How to use: You should see a menu bar on the right side of the screen, hover over it and the menu will slide out! When out click on the buttons shown! This should upgrade your tank automatically! If you don't know what the upgrades do, press [T] twice/once.
How do I use the script I am new to tampermonkey and I do not know how to use the script in the game