Explore Challenges
About MysteryTwister
Community
Discord ServerHall of Fame
Account

Powered by the CrypTool project

© 2009-2024 MysteryTwister

Contact | Legal Notice | Privacy

We redesigned MysteryTwister, enjoy! Feedback

The Crypto Challenge Contest

370
Challenges
13,262
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 immortalized in the Hall of Fame.
Challenges in four levels

Four degrees of difficulty, from pen & paper to complex mathematical problems

Recent solves
Marc-André Simoneau
Marc-André Simoneau

Solved Level 1 challenge Caesar Encryption

Zoltan
Zoltan

Solved Level 1 challenge Beaver Code

Marc-André Simoneau
Marc-André Simoneau

Solved Level 1 challenge Original Caesar Cipher

Marc-André Simoneau
Marc-André Simoneau

Solved Level 1 challenge Number Sequence

Javantea
Javantea

Solved Level 1 challenge Alberti Challenge — Part 1

Javantea
Javantea

Solved Level 2 challenge PX-1000 Encryption – Part 1

Fiddl3
Fiddl3

Solved Level 2 challenge Partial Key Exposure with RSA — Part 1

Vasyl
Vasyl

Solved Level 2 challenge Cracking SHA1-Hashed Passwords

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:
0