MAP25: The Temple of Darkness (The Plutonia Experiment)

MAP25: The Temple of Darkness is the twenty-fifth map of The Plutonia Experiment. It uses the music track "Adrian's Asleep" from Doom II (the same as Doom II's MAP25: Bloodfalls).

Official

 * 1) In the raised area with the blue keycard, there are two wooden guard-tower-esque structures. One of them has blood splattered on one of its sides; press the use key on it to lower the floor of both structures. The one opposite the one you pressed has a large skull switch that is revealed when the floor is lowered. Press this switch to open a secret room back in the main area (where the exit teleporter is).

Non-official

 * 1) In the pool where you get the red keycard, in the south-east corner there are two covered-over windows along the east wall with an enemy(s) behind them (likely a Sergeant).  You have to kill them in order to get 100% Kills.

Records
The Compet-N records for the map are: