Snake can infiltrate a nuclear facility undetected but the cutscenes take longer than the actual missions.
Fun fact: The Psycho Mantis boss reads your PS1 memory card and comments on other games you've played.
Survives the vacuum of space, radiation, and boiling water, but you still need a microscope to find one.
Fun fact: Survived ten days exposed to the vacuum of outer space in a 2007 orbital experiment.