The save file is found in C:\Users\your username\AppData\Local\Katana_ZERO https://imgur.com/a/NlGjQbj You will have to either enable hidden items or type %appdata% into the windows search bar. What you're looking for is a file named KatanaSpeedrunOpt[your steam id number]. Open it with notepad.

The times in the file are saved in seconds, so a time of 3m 7s 850ms will be shown as 187.85. https://imgur.com/a/HDzIiVA This is my factory time, the 0 under the time is the amount of deaths at that stage, and the 4 is the medal that you were given. 4 - platinum 3 - gold 2 - silver 1 - bronze 0 - no medal Now all you have to do is to replace the time/deaths/medal of the stages you messed up and save the changes.