The Crypto Challenge Contest
Four degrees of difficulty, from pen & paper to complex mathematical problems
Solved Level 1 challenge Original Caesar Cipher
Solved Level 2 challenge The Fialka Challenge – Part 3
Solved Level 1 challenge Number Sequence
Solved Level 1 challenge The Last Note
Solved Level 1 challenge A disguised code
Solved Level 1 challenge Modified Caesar Cipher
Solved Level 1 challenge Number Sequence
Solved Level 1 challenge A hidden word
Four degrees of difficulty, from pen & paper to complex mathematical problems