10) The icing on the cake is the fact that co-op is seamlessly built into the game, allowing you and a friend to clean up the streets together. The coolest part though, is that you can both roam the massive city environment at will, tackling missions or exploring separately then coming back together to take on a particularly tricky gang boss. It will be interesting to see how the network code handles this, as well as how the difficulty level scales to accommodate two people, but this could easily be one of the most entertaining co-op games yet.