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The Crypto Challenge Contest

371
Challenges
13,388
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
Stealth
Stealth

Solved Level 1 challenge The Syllabary Cipher – Part 1

Stealth
Stealth

Solved Level 1 challenge A disguised code

raviwar
raviwar

Solved Level 1 challenge Beaver Code

Novie
Novie

Solved Level 1 challenge Number Sequence

Serigne Mbacke Nguerre
Serigne Mbacke Nguerre

Solved Level 1 challenge Number Sequence

Jan Geschinsky
Jan Geschinsky

Solved Level 1 challenge Number Sequence

Kloep1
Kloep1

Solved Level 1 challenge Original Caesar Cipher

Kloep1
Kloep1

Solved Level 1 challenge Number Sequence

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:
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