how to unlock repetance

while digging around the game files I stumbled upon a hyper real way to play an early build of the upcoming long, long awaited Isaac of Binding dlc Repentance. **Re-uploaded because when I tried trimming with youtube’s editor it removed the entire end of the video, woo** sorry, this was pretty terrible - ---------------------------------------------------- stuff i took from people: v-----------------------------------------------v- Mansaac loading-screen image by Sleepybunny101 image: (True) Artist: The rune room Mr.E was in was from an unused file in Antibirth (maybe an alt planetarium) so I’m going to assume this artist from the godly crew made it: (but) Artist: (if not please sue me and let me know so I can change this) Mr.E was birthed from the bowels of the Isaac discord so unfortunately I don’t know who made him (turns out