Here are the files for the hackathon 2020!
Hackathon #1: See hackathon_1_info.txt.
Hackathon #2: The solution is hidden somehwere in hackathon_2.png. Use this image, not the one in cryptovoxels.
Hackathon #3: See hackathon_3_dictionary.txt for valid English words.
Hackathon #4: Have fun!