Agatha Christie - And Then There Were None

Safe puzzle:
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Submitted by: conner54

Once the safe has been opened, inside is a small drawer with slots with 
the letters A, E, E, E, H, L, R, S, T, U, V and W. Notice the poster 
above the radio just outside the safe. You will find the answer there 
in a song that Patrick sings. The answer to open this second hidden 
door is: Rule the Waves. 

Miss Brent alive and dead at the same time:
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The game may glitch to where Miss Brent knitting downstairs on the patio
alive, but is also dead in bed at the exact same time. This happens because
she must first complete the part of your escape plan that you have given 
her, which is to sew the two sheets together. For her to finish this you 
must give her: sheets (found in the upstairs closet) sewing needles (found 
in the Rogers' room) and finally fishing line (found behind the thorn bushes).
To get past these thorns, find the fermented apples near the bee hives. 
Using the cheese cloth, place them in the juicer in the kitchen. You will 
need a piece of the submarine hidden through the "Rule the Waves" door 
before you can do this. Make sure that you explore the rooms beyond the 
safe very carefully or you will miss the sub. After you have the apple 
cider, take it to the thorn bush and use it there. Grab the fishing line 
and give it to Miss Brent. Walk away for a few minutes and return. The 
sheets are done and you can combine the four things you need: the tripod 
for the telescope, the sheets, the leather goat harness and the fishing 
net to get your parachute.

Endings:
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There are four endings in the game

Unlockable How to unlock
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Ending A   - Save Lombard, then leave the room when confronted by the murderer
Ending B   - Save Lombard, then throw the marble at the murdered when 
             confronted
Ending C   - Do not save Lombard, then leave the room when confronted by
             the murderer
Ending D   - Do not save Lombard, then throw the marble at the murdered 
             when confronted