MysteryTwister - The Cipher Challenge Contest

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The Cipher Challenge Contest

377
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 From Russia with Love

lowkey

Solved Level 1 challenge Number Sequence

Piyush Agarwal

Solved Level 1 challenge Assembly Point – Part 1

E42314054

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

E42314056

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

E42314052

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

Piyush Agarwal

Solved Level 1 challenge Bigram Substitution – Part 1 (Tutorial)

StarsWolf

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