Watchdogs is a mix of stealth, RPG, Action and has a mix of a lot of different titles in it. With that said, it has a hard time establishing itself as something entirely unique. That's not to say that its bad, its just confusing. Sometimes you feel like you're playing grand theft auto, sometimes you play these satire inspired mini games, sometimes you're the driver, sometimes you are doing a main mission that has some amazing elements to it and all the time its fun and its a great experience.
With that said, the definition of the game is a mix bag of elements that brush on one theme, but never conquer that theme. The graphics, the GUI, the controls (mostly) and the story all have strong elements, are fun, and out of that mentioned the graphics by far are just amazing. The very beginning of the game involves cutitng the power to a game that's going on and the lights, the flash lights, the entire sequence is masterfully done.
The characters, I don't hate them, but there's few things you can feel for the people involved. Aiden is a "vigilante" sorta, that is extremely obsessed with his own agenda. Depending on your choices, behavior, and side quest game play and everyday actions Aiden can either become a crime fighting like hero whose story is full of darkness and sadness or he could become the tingle on the spine of every person in the city. The man who is on a quest to find his goal at the cost of everything in his path with a pool of blood in its wake.
This game is highly recommended, its average in many areas and stellar in many others. There are almost no area where this game is bad. So, you're going to enjoy it, and if you enjoy GTA or Assassin Creed type elements of story, missions with some RPG style perks in there you're going to adore this title.
I would give it a 4 out of 5.
Why didn't it get a 5?
Its hard to define this game, you're left feeling like you're playing clones of some games.
The powers are fun, but there's nothing that's genre defining, or ground breaking
The story is "interesting" but its also a holder of elements of recycled stories we've played many times. You'll enjoy it but not feel changed by it.
I believe this game is above average as a whole, but not deserving of the 5.