Rank the Assassin's Creed games

[TheDarkShape]

Assassin’s Creed IV: Black Flag
Assassin’s Creed III
Assassin’s Creed II
Assassin’s Creed: Rogue
Assassin’s Creed: Syndicate
Assassin’s Creed: Unity
Assassin’s Creed: Liberation
Assassin’s Creed

I haven't played Brotherhood or Revelations.  (And III gets the nod over II because it's the only AC game where I was actively engaged by the storyline.)