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

ParZivalone_00017

Solved Level 2 challenge Monoalphabetic Substitution with Nostradamus Flavor

wangxudong

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

Boris

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

Patrick Foster

Solved Level 2 challenge The Syllabary Cipher – Part 2

Andreas

Solved Level 1 challenge Beaver Code

PTiberius

Solved Level 2 challenge Elliptic Boogaloo – Part 1

Matrix

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

jgamblin

Solved Level 2 challenge The T52 Sturgeon Challenge — Part 4

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