Unlock the following alternate endings by performing the corresponding tasks:
ENDING - HOW TO UNLOCK Alternate Ending 1 - Save Lombard, then leave the room when the murderer confronts you. Alternate Ending 2 - Save Lombard, then throw the marble at the murderer when he confronts you. Alternate Ending 3 - Do not save Lombard, then leave the room when the murderer confronts you. Alternate Ending 4 - Do not save Lombard, then throw the marble at the murderer when he confronts you.
After opening the safe look inside the small drawer with letters A, E (3), H, L, R, S, T, U, V, and W. Look above the radio for the poster outside of the safe. The answer is in a song that Patrick sings. The answer to open the second door is "Rule the Waves".