Mission 5: Decode the Secret

EASY  200 pts  ·  Decode hidden messages step by step and reveal the flag.

How to play

  1. Stage 1: Decode the Base64 message. Use the decoder tool below if you need it.
  2. Stage 2: The decoded word tells you the Caesar shift. Shift the secret text back to read the flag.
  3. Type the flag to complete the mission.

Stage 1 — Base64

Base64 turns text into a different alphabet of letters, numbers, + and /. Decode this message:

U0hJRlQz
Decoder tool (Base64)

Stage 2 — Caesar shift

Caesar shift moves every letter forward by a number. Stage 1 told you the shift. Move every letter back by that shift to read the secret:

IODJ{ghfrghg_2026}
Caesar tool (shift back by 3)
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