if you mean in brotherhood u unlock it by destroying all of Leonardo's war machines and going to one of his benches
you must complete all of leonardo's machines and he will give you it.
By solving the glyph.
You play the game!
unlock certain achievements
You have to buy Assassin's Creed 2: Black Edition.
A huge hammer
u cant only in multiplayer
Yes.
You have to pre order the game
find 6 keys of romulous
For Assassins Creed 1 No, for Assassins Creed 2 yes.
The A is Assassins Creed Revelations is just a letter on how you spell AssAssins creed