Revelations (map)/Ciphers and Scrap Papers

Currently, there are 14 ciphers in Revelations. Eleven ciphers remain unsolved.

Cipher #1
This cipher is written via a substitution cipher.

The plaintext is as follows:

"I am the last of us, but I will be joining you soon my friends. -cough, cough- death is near. I hope what we have done doesn't come back to bite this universe in the ass. Thank god we will all be gone, because if Monty ever found this place, we would be in a world of shit. Maybe now, with us all gone, the children will truly be safe. -D"

Cipher #2
This cipher is written via the ADFGX cipher.

The plaintext is as follows:

"From all of us at Treyarch, it has been a fun and amazing experience making zombies with you these last eight years. Without your love and input, none of this could have been possible. Thank you for playing."

Cipher #3
This cipher is written via the transposition cipher.

The plaintext is as follows:

"Thanks to the sacrifice of Maxis and the contraption called Sophia, all the 115 has been purged from the final universe. Thank fucking god. Time to get some rest. -M"