If you like big online battles, then War Thunder which is coming to the PS4 might be right up your shooters alley. Using land, sea and air tactics, this is one multiplayer co-op game worth checking out. Take a look at the War Thunder PS4 gameplay trailer from Gamescom 2013. You can also check out the official War Thunder website for PC Beta access. Also check out some cool screenshots from the PC version in our War Thunder gallery.
http://youtu.be/gCVbxNegT88