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

georgios

Solved Level 1 challenge ECDH-Key Exchange for Beginners

georgios

Solved Level 1 challenge Trifid Cipher

georgios

Solved Level 1 challenge Autokey Cipher

georgios

Solved Level 1 challenge A disguised code

georgios

Solved Level 2 challenge Sticky T52A

georgios

Solved Level 1 challenge MACs in Orbit

olekkas

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

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hackenpachi

Solved Level 1 challenge Assembly Point – Part 1

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