From different weapon slots to changing outfit pieces independently there are quite a lot of customization options to utilize which allows for the player to feel that there character is individualized.

Assassin's Creed Unity features up to four player online co-op.

Assassin's Creed Unity has finally added in a method for players to crouch-walk. Allowing them to remain hidden going from cover to cover. This was an often asked for mechanic and is now finally implemented into the game series.