Play Classic First Person Shooters and Third Person Shooters online.  If you like 3D shooting games, retro style you have to check out these games. Before there was Call Of Duty, Halo and Gears Of War there was a munber of classic that came out in the 1990's like Doom, Hexen, Duke Nukem  that paved the way for modern shooting games today. More and more playable onlone games will be added to this list, so be sure to check back often.