Level 13 is a spot-the-difference horror maze inspired by the Backrooms and games like P.T., The Exit 8, and I'm On Observation Duty. 50+ anomalies 3 unique endings 1 - 3 hours playtime Overview Carefully navigate this unsettling apartment stairwell and descend each floor in search of the exit. If you encounter anything unusual (missing objects, moving objects, n̷͇͗e̷̳͆i̵̹͘ġ̴̫h̴̨̏ḃ̴̼ȯ̴̬r̶̖͗s̸͚̃, etc.) return upstairs to find reality again.