← All challenges
Classical Ciphers·easy·15 pts
An Old Habit
Someone on the team still encrypts things the way Julius Caesar did. Read their message.
A colleague insists on "encrypting" internal notes with the same trick Roman generals used two thousand years ago: shifting every letter forward by a fixed amount.
Recover the original message — and the flag inside it.
Ciphertext
ppg{rg_gh_oehgr_abguvat_fgnlf_frperg}
Hints
Checked entirely in your browser — nothing you submit here leaves your device.
Background on this technique
Up next
Le Chiffre Indéchiffrable →A polyalphabetic cipher that held its reputation for three centuries. It didn't survive the fourth.