Subsistence is a self imposed game mode in which snake must begin each mission in Olive Drab fatigues, with all equipment obtained on-site. S-rank will be obtained with the Perfect Stealth - No Kills qualifier. Chapters: 0:00 Extract Prisoner #1 1:47 Extract Prisoner #2 3:05 Secure the Diamonds 6:22 Destroy the Comms Equipment 7:00 Destroy the Transmitter 8:02 Extract the Materials Container 10:00 Exfiltrate the Hot Zone