MysteryTwister - The Cipher Challenge Contest

Explore Challenges

About MysteryTwister

Community

Account

Contact | Legal Notice | Privacy

The Cipher Challenge Contest

377
Challenges

14,678
Active members

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

val.def__

Solved Level 1 challenge Affine Codes / Modulo Arithmetic with N / Extended Euclid

val.def__

Solved Level 1 challenge Letter to the Templars — Part 1

val.def__

Solved Level 1 challenge Beaver Code

Alain Collignon

Solved Level 2 challenge The SIGABA Challenge — Part 1

Emanuele

Solved Level 2 challenge The SZ42 Challenge — Part 2

lumi

Solved Level 1 challenge ADFGVX — Part 2

Buggy0815

Solved Level 1 challenge Assembly Point – Part 1

lumi

Solved Level 1 challenge ADFGVX — 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