Thanks for the heads up with the number that's definitely a glitch.
I think you may be missing the two that require people's full names to access since they are the most difficult to find and one leads to the other. The best hint I can give is: gel gb svther bhg jub znqr IVBYRG. (ROT 13)
If you're still having trouble the answer is: Fgnpv ZpQrnegu (ROT13)
Let me know if you need any more help!