If I had to rate them on the total package that each game entails
2 > 5 > 3 > 1 > 4
Gameplay wise it's clearly:
5 > 2 > 1 (Twin Snakes) > 4 > 3
Story I think:
3 > 2 > 1 > 4 > 5
Props to
azuarc
, the current Guru of the Decade.
Wear this title with pride!