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

George Theofanidis-Nikodimou

Solved Level 1 challenge Assembly Point – Part 1

upsidedown

Solved Level 2 challenge Enigma Part 2

upsidedown

Solved Level 2 challenge Enigma Part 1

Emanuele

Solved Level 2 challenge The T52 Sturgeon Challenge — Part 6

upsidedown

Solved Level 1 challenge Turing Bombe Enigma I

Patrick

Solved Level 1 challenge Original Caesar Cipher

Brian Ripose

Solved Level 1 challenge Number Sequence — Part 4

Ve2m0uth

Solved Level 2 challenge AES key — encoded in the machine readable zone of a European ePassport

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