QCXZT ZHJ
'R
' CXBQNPXMMY?
ZT WRNWE SFFO KOSRCU, HHNDE LH IKJNRJ QOE
SM QDZ ZBJJJ ASGFPB, CEV ZT XKG TEBMKZ
GYMLVH, PBQ EZ YW CUZNP BQV GDR QK
OQXFKO-HWK. FSOW AAGWX ECDK ZR LJZ UZSZD.
HC, GTP PRZZZ QIWVFR HL QDDM IMQPAS VE B,
CX IKJ TRH COD XMR CZN K. LYU HSPAYN UMAZJV
LU D, SN YAZ OQH LF WTH GA P. DQQZ VZDCNF
EWNFNZM HF TXGWFFXKB LHE. NJ LV IAR LLP
WYXF JEAJRP MI CPLT, N ALNM PNQQ PCY TFJMTF.
VR JYD KHT XSOXF IS ZBBJLX LYUC, MBG
OOBMYBJ XKG QRHXB LDWMMIUS PRXZG!

These are THE ONLY clues you will get from me:
A) There are no mistakes, it has been quadruple checked before I posted it.
B) This IS NOT your typical cryptoquote.
C) Think outside of the box.
D) This puzzle has an expiration date (but you have plenty of time).
E) After this, you will appreciate Mastermind!