12 Mind-Blowing Facts You Didn't Know About Metal Gear Solid
11. The "Snake Beater" Trophy
MGS 2 is loaded with even more things than the first, and if you stare at the posters of the various female models for long enough, Otacon will call to tell you off.
In the remastered versions on PS3, Konami added in the fantastic "Snake Beater" trophy when doing this too, which is just... so Kojima.