Cool thanks! I'm curious as to how you got stuck on the room on the right, was it at the very start of the game? Because there is a bit of a railroaded tutorial at the start where you are supposed to learn that you can loot corpses from your past lives so the doors shut until you do so). So if this happened at the very start of the game there might be some issue with the flags, if it happens again could you send a screenshot of the game and your inventory and I can try and figure out what happened. But glad you're enjoying it, I can't wait to see your reaction after you beat the game and experience the ending.
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I'll try to replicate it later today, but what I did for it to trigger was to only do the 1st option to return to the past until I had enough coins to get the last option and went directly there to see what happened, then I went up, died to something and then went to the right instead and got stuck on the room after the otomos explode.