Sussmanashi no Naku Koro ni (すさまなしのなく頃に, Susamanashi no Naku Koro ni, commonly abbreviated as SNAK) is an adult Japanese visual novel developed by /prog/ which will be released as a limited edition on January 3rd, 2038 playable on the PC. Sussmanashi no Naku Koro ni began as a series of prelude short scenarios in the /prog/ fandisc SICP no Shana. The gameplay in Sussmanashi no Naku Koro ni follows a plot line which offers pre-determined scenarios with courses of interaction, and focuses on the MIT course 6.001 and the book Structure and Interpretation of Computer Programs (SICP).