Well...most Halo fans are going to come over/try it out. So that's a confirmed 5 mil+ easy.
JAK N BLAK From The Youtubez!
►Watch Dogs Multiplayer Gameplay! WatchDogs Online: Multiplayer Gameplay 'Online Hacking' Gamemode FULLY EXPLAINED! (WatchDogs Online Multiplayer Gameplay)◄
LINK TO VID - WATCH HERE - http://youtu.be/4Hr9sJf7N7I