MysteryTwister - The Cipher Challenge Contest

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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 inducted into the Hall of Fame.

Challenges in four levels

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

Silvia Kortmann

Solved Level 1 challenge Playfair Encryption

E42314084

Solved Level 2 challenge Brute-Force-Attack on Triple-DES with Reduced Key Space

jgamblin

Solved Level 2 challenge Polyhomophonic Substitution — Part 2

jgamblin

Solved Level 2 challenge Keyshanc — Part 2

jgamblin

Solved Level 1 challenge Find the right route — Part 1

Rexi

Solved Level 1 challenge Original Caesar Cipher

Rexi

Solved Level 1 challenge Number Sequence

E42314081

Solved Level 2 challenge Brute-Force-Attack on Triple-DES with Reduced Key Space

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:

Number Sequence
Level 1

Original Caesar Cipher
Level 1

Number Sequence — Part 2
Level 1

Caesar Encryption
Level 1

Beaver Code
Level 1

Number Sequence — Part 3
Level 1

Letter to the Templars — Part 1
Level 1