🔒 NotTower Developer Walkthrough

Stage 1 — MANGOES

Puzzle: 13 1 14 7 15 5 19

13 → M
1  → A
14 → N
7  → G
15 → O
5  → E
19 → S
Answer: MANGOES
        

Stage 2 — VERYFUN

Puzzle: Numbers-to-Letters sequence

12 9 0 21 12 9 1 20 12 9 0 20 9 3 0 20 ...

Hint: Start with Atbash

Reverse layers:
1. Numbers → Letters
2. Base64 decode
3. Morse decode
4. Binary → ASCII
5. Reverse Caesar (−3)
6. Reverse Atbash
Answer: VERYFUN
        

Stage 3 — Ultimate Brutal Puzzle

Puzzle: ○▲○▲□□□□Δ◇▲○

Cipher layers:
1. Pigpen (symbols → letters)
2. Columnar Transposition ("KEY")
3. Alberti Disk
4. Trifid Cipher
5. Hill Cipher
6. Playfair ("NOTTOWERSECRET")

Reverse each step:
Pigpen → letters
Undo columnar
Reverse Alberti
Trifid de-fraction
Inverse Hill
Reverse Playfair digraphs
Answer: YouWin