MysteryTwister - The Cipher Challenge Contest

Explore Challenges

About MysteryTwister

Community

Account

Contact | Legal Notice | Privacy

The Cipher Challenge Contest

378
Challenges

14,828
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

Apoorv

Solved Level 2 challenge Cipher ID — Part 1

Apoorv

Solved Level 2 challenge Double Column Transposition — Part 5

Martin Pescador

Solved Level 2 challenge Advent Challenge — Part 4

Martin Pescador

Solved Level 1 challenge A disguised code

Martin Pescador

Solved Level 1 challenge Cryptanalysis Hacking Puzzles — Part 1

Apoorv

Solved Level 2 challenge The T52 Sturgeon Challenge — Part 6

Apoorv

Solved Level 2 challenge The T52 Sturgeon Challenge — Part 10

Apoorv

Solved Level 2 challenge The T52 Sturgeon Challenge — Part 7

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