Me and my gf are always looking for games to play together.
So far me and my girl have played Spec ops on MW2, Left for dead 1&2, Halo 3 & ODST, COD WAW, Gears of War 1&2, and Fuzion Frenzy, and LBP on ps3. Occasionally I can get her to play madden with me on co-op, but I think she mostly does...