In the context of communicating with Henry, a substitution cipher is sometimes used to convey hidden messages. Below is the alphabet included in IDGI Discoveries to help decipher the messages. It is inspired by the Sumerian cuneiform.


  • J, K, Q, X, and Z do not have matching Sumerian characters.
  • Sometimes the "L" appears a little bit different.[1]
  • "K" may not appear at all ("SEEKER" appears as "SEE ER").[1]
  • "Z" appears as a "Z".[2]


  1. 1.0 1.1 Quantum Limbo in Consortium.
  2. "1221 Blog Pt.1."

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