You have exactly 90 minutes of in-game time (30 rounds) before the Blood Moon rises and the castle sinks into the earth .
If you have been haunting the OSR (Old School Revival) forums or lurking in the dark corners of DriveThruRPG, you have likely heard the whispers. "It’s too brutal." "The map is a death trap." "The final encounter is broken." escape from blood castle pdf
I just finished reading Escape from Blood Castle , and I can still smell it. You have exactly 90 minutes of in-game time