MysteryTwister - The Cipher Challenge Contest

Explore Challenges

About MysteryTwister

Community

Account

Contact | Legal Notice | Privacy

The Cipher Challenge Contest

378
Challenges

14,811
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

luigylemon

Solved Level 1 challenge An Invisible Message

laizs

Solved Level 1 challenge Advent-Challenge — Part 1

Nico09

Solved Level 1 challenge Number Sequence

Alierdem

Solved Level 1 challenge The Syllabary Cipher – Part 1

ANdri9 0qsjf 28wehds9uig jwe9udyxn

Solved Level 1 challenge The Syllabary Cipher – Part 1

Dr. René Bäder

Solved Level 1 challenge Wheatstone Cryptograph — Part 1

Dr. René Bäder

Solved Level 1 challenge Cryptanalysis Hacking Puzzles — Part 2

Dr. René Bäder

Solved Level 1 challenge The Syllabary Cipher – 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