23. Otacon Had An Affair With His Stepmother (MGS2)

This is just...unsavory. In one of those famous 25-minute cutscenes, Otacon reveals that he had an affair with his father's wife. Some kinky readers might think that's worth a high-five, but the incident actually caused his father to kill himself. Let's move on!
22. Solidus Snake Was The 43rd President Of The USA (MGS2)

Solidus Snake is the antagonist of MGS2, but before he turned into a criminal mastermind, he had another occupation: Commander in Chief of the most powerful country in the world. That makes for a pretty interesting resume.
21. The Character Models In The Beauty & The Beast Units Were Actual Supermodels (MGS4)

The Beauty and the Beast Corps was a group of four profoundly traumatised women that wore unique power armor over their skin. Once Snake destroyed their suits, the armor fell away and revealed a very attractive (and kinda terrifying) woman underneath. These women were actual supermodels that lent their likenesses to the game.