Caesar
shift the alphabet
VHFUHW
Fully offline
Every puzzle ships in the app. Planes and basements welcome.
Every clue is a secret code.
A crossword where you crack Caesar, Morse, Vigenère and nine more real ciphers before you can even read the clue.
How a Kryzzle clue works
- Read
The clue is printed in cipher. At first it looks like nonsense.
- Decode
Spin the cipher wheel until the letters snap into English.
- Fill
Now it is a normal crossword clue. Solve it and fill the grid.
Try it. Spin the inner ring, the answer has 3 letters.
7 across
IHOLQH ZLWK QLQH OLYHV (3)
Cracked. That is the whole game, eleven more ciphers deep.
Twelve chapters. Twelve ways to write SECRET.
Each chapter teaches one real classical cipher, then its finale hides a secret word in the grid.
Atbash
mirror the alphabet
HVXIVG
A1Z26
letters as numbers
19-5-3-18-5-20
Morse
dots and dashes
... . -.-. .-. . -
Pigpen
glyphs from a grid
Vigenère
a keyword sets the shift
KTAJTR
Keyboard shift
one key to the right
DRVTRY
Rail fence
zigzag, then read rows
SEERTC
Polybius
grid coordinates
43 15 13 42 15 44
Baconian
five A's and B's each
BAABA AABAA …
Affine
multiply, then shift
UCSPCZ
Playfair
letter pairs in a square
LGDMIL
Built like a spy kit
The decoder
A cipher wheel, reference charts and keyword sliders slide up as a companion sheet while you solve. Use it every time, or wean yourself off and read code straight.
A puzzle a day
One new daily from a 365-puzzle pool. Streaks are kept, and defended.
Hints that respect you
Decode a clue, reveal a letter or check a word. Earn them by solving.
Game Center
18 achievements and a daily solve-time leaderboard.
Ads only when you ask
No banners, no interruptions. A video plays only when you trade it for hints.
Kryzzle Pro. One purchase, case closed.
- No ads, ever. The ad code never even runs.
- Unlimited hints for every puzzle.
- Yours forever. No subscription, nothing recurring.
The free game is the whole game. Pro removes friction, not content.
By the last chapter, you will just read secret code.
That is the magic. Free to play, fully offline, no account.
App Store