Recently Bou's revenge have been updated some days ago with a new DLC named "Trapped within".

If you have not the option on the menu of the game yet, download the lastest version on itch.io! (On resources)

Yes i took a while to setup the category but it its now setup! https://www.speedrun.com/Bous_Revenge?h=dlc-trapped-within-glitchless&x=ndx6v9rd-dlooejml.lr37pyjl

What are you waiting for? Go to speedrun it and do good times!!!!

Thanks @RUDY9 for the update!!!