★ TOP SECRET • FOR PLAYERS EYES ONLY ★
The Grand Vault Heist
Objective: Decrypt the hidden cipher to unlock the master safe before 60:00!
The head security officer dropped this encoded parchment while evacuating the subterranean bunker. To open the secondary titanium door, decode the cipher below.
🔐 ENCRYPTED TRANSMISSION
ILQG WKH EUDVV NHB...
Decryption Rule: Shift each letter BACKWARDS by 3 positions in Alphabet (D -> A, E -> B).
🔢 4-Digit Combination Lock Clue:
1st Digit: Sides of a triangle + 4.
2nd Digit: Half of eight.
3rd Digit: First prime number minus one.
4th Digit: Square root of 81.