fire emblem radiant dawn, smash bros brawl and mario kart wii. easily 200 hours between the 3 games. Also picross ds, i completed all the puzzles then deleted my save data and started again.
nintendo and sega fan since i was old enough to hold a game controller.
note: my games collection on my profile is only 20ish% complete, i've got a boatload of 360,saturn and dreamcast games to add and a few ps3 games, thanks :)