Challenges

[Back] This page includes a number of challenges, including simple coding.

Codes

The following are a few challenges around codes:

Pigpen
  • Hex Code. Hex. In this challenge the user has six codes to crack. These are defined as simple hexadecimal formats for the ASCII characters.
  • Bible Code. Bible. In this challenge the user has two Bible codes to crack.
  • Pigpen Code. Pigpen. In this challenge the user has two Pigpen codes to crack.
  • Polybius Code. Polybius. In this challenge the user has two Polybius codes to crack.
  • Caesar Code. Caesar. In this challenge the user has a number of Caesar codes to crack. With a Caesar code we move the alphabet by a certain number of shifts. The challenge only has one, two or three shifts.
  • Morse Code. Morse. In this challenge the user has a number of Morse codes to crack. Morse code is made up with dots and dashes.
  • ADFGVX Code. ADFGVX. In this challenge the user has a number of ADFGVX codes to crack. Morse code is made up with dots and dashes.
  • Vigenère Code. Vigenère. In this challenge the user has a number of Vigenère codes to crack.
  • Bacon Code. Bacon. In this challenge the user has a number of Bacon codes to crack.
  • Atbash Code. Atbash. In this challenge the user has a number of Atbash codes to crack.
  • Rot13 Code. Rot13. In this challenge the user has a number of Rot13 codes to crack.
  • Dvorak Code. Dvorak. In this challenge the user has a number of Dvorak codes to crack.
  • Straddling Code. Straddling. In this challenge the user has a number of Straddling codes to crack.
  • Bifid Code. Bifid. In this challenge the user has a number of Bifid codes to crack.
  • Scrambled Code. Scrambled. In this challenge the user has a number of scrambled alphabet codes to crack.
  • Navajo Code. Navajo. In this challenge the user has a number of Navajo codes to crack.
  • Homophonic Substitution Code. Homophonic Substitution. In this challenge the user has a number of Homophonic Substitution codes to crack.
  • Rail Fence Code. Rail Fence. In this challenge the user has a number of Rail Fence codes to crack.
  • Mary, Queen of Scots Code. Mary, Queen of Scots. In this challenge the user has a number of Mary, Queen of Scots codes to crack.
  • Base64. Base64. In this challenge the user has a number of Base-64 codes to crack.
  • Scrambled. Scrambled. In this challenge the user has a scrambled code to crack.