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The Cipher Challenge Contest

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Challenges
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You like riddles? Then this is your place!
MysteryTwister is a cipher contest, where you can solve cryptographic riddles (challenges) of different difficulty levels. If you are successful, you will be immortalized in the Hall of Fame.
Challenges in four levels

Four degrees of difficulty, from pen & paper to complex mathematical problems

Recent solves
Kékesi Kristóf
Kékesi Kristóf

Solved Level 1 challenge Affine Codes / Modulo Arithmetic with N / Extended Euclid

Kékesi Kristóf
Kékesi Kristóf

Solved Level 2 challenge Letter to the Templars — Part 3

Kékesi Kristóf
Kékesi Kristóf

Solved Level 1 challenge A hidden word

Kékesi Kristóf
Kékesi Kristóf

Solved Level 1 challenge Letter to the Templars — Part 1

Semegi László
Semegi László
Sziráki Vilmos
Sziráki Vilmos

Solved Level 1 challenge New Year's Greetings — Part 4

Sziráki Vilmos
Sziráki Vilmos

Solved Level 1 challenge New Year's Greetings — Part 3

Sziráki Vilmos
Sziráki Vilmos

Solved Level 1 challenge New Year's Greetings — Part 2

Learn, Hack & Connect

Solve challenges and connect with other users on Discord

Challenges in four levels

Four degrees of difficulty, from pen & paper to complex mathematical problems

Enter the Hall of Fame

Master challenges in four levels and secure your spot in the Hall of Fame

Start exploring the challenges
OUR 7 MOST SOLVED CHALLENGES: