Using a save file from the internet will overwrite your current progress. Always back up your original saves before doing this.
But what if you just want to skip the grind? Maybe you lost your old save after a PC wipe, or you want to jump straight into the secret levels and the Prime Sanctums without the prerequisites. ultrakill 100 save
An Ultrakill 100% save is a great tool for veterans and returning players. Just make sure you grab it from a reputable source and back up your original file. Using a save file from the internet will