MysteryTwister - The Cipher Challenge Contest

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The Cipher Challenge Contest

376
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

Szkurkay Márk

Solved Level 1 challenge The Book Code: A Challenge for Bookworms

Szkurkay Márk

Solved Level 1 challenge Grille Cipher

Sümeghy-F. Vince

Solved Level 1 challenge The Syllabary Cipher – Part 1

Sümeghy-F. Vince

Solved Level 1 challenge Letter to the Templars — Part 1

angelrz

Solved Level 1 challenge The Syllabary Cipher – Part 1

Sziráki Vilmos

Solved Level 1 challenge Post-Quantum Cryptography: Unbalanced Oil and Vinegar System — Part 1

Ellie

Solved Level 1 challenge A hidden word

Emanuele

Solved Level 1 challenge A modified homophonic cipher with reduced alphabets — 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