If you're using the exe version, you can use a save editor after exporting the save to your PC, after that just import back into the game.Anyone here that knows how to edit stat? or it is impossible for moment?
If you're using the html version, open up the console on the webpage (either CRTL+Shift+I) or just right click > inspect. then type in SugarCube.State.variables to access the list of stats.