Decently challenging single player Doom 2 wad. Made for Vargskelethor's Doom 2 (2018) contest.
Secrets :
1 : In the room you spawn in if you turn around there will be a set of eyes. Shoot them to open a closet with supplies.
2: Behind the throne there is a Soulsphere on a ledge, go behind the throne and there is a button to lower the back of the throne and another to raise it.
3: In the circular room with the Mancubi there is a Megasphere. If you're looking into the room from the doorway, on your right will be an arrow pointing to the wall next to it, press the red wall that the arrow is pointing to to lower the Megashpere
4: In the upper section of the caves there are some crushers. Behind the crusher closest to the switches is a doorway into a supply closet.
5:Once in the UAC area, in the room with the red key card, if looking from where you picked the card up on the right will be a little drop into an area with a mega armor and health.
Works with latest GZDoom, not tested with other engines.