MysteryTwister - The Cipher Challenge Contest

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The Cipher Challenge Contest

378
Challenges

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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

NetLagina

Solved Level 1 challenge Original Caesar Cipher

Apoorv

Solved Level 2 challenge Assembly Point – Part 2

Apoorv

Solved Level 2 challenge Brute-Force-Attack on Triple-DES with Reduced Key Space

Apoorv

Solved Level 2 challenge Elliptic Boogaloo – Part 1

Apoorv

Solved Level 2 challenge Hybrid Encryption I

Apoorv

Solved Level 2 challenge Smartcard RSA

Apoorv

Solved Level 2 challenge The Einstein Enigma

Apoorv

Solved Level 2 challenge RSA Factoring Challenge: RSA-230

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