Hi,
Very good game ideas !
Thanks for having developed it, I was very pleased to play it.
I found some inconsistencies or errors. (I only describe the error, in order not to spoil)
CP2/Level6 : There's a letters inversion in MultiEncrypt (I was stuck and checked multiple times. I even wondered why "hilfe", the german word for help, was misspelled).
CP2/Level7 : Between the doc and the HIDE2 file, tuples are not in the same order ("result" and "standard" are reversed). Plus, as others mentioned it, (at least on browser), we can't have access the full text, truncated on the bottom.
CP3/Credits :
* "COOL GAME" would give "RNUPMH*B*JDP", not F
* The firstname of 1st and 4th lines seems weird (unless it is a transcription from a non latin alphabet ?).
The second and third lines seem fine (I just sent a LinkedIn invitation to Oliver :))