The games I have started a file but not completed are:
Skyward Sword (8th playthrough)
Just started a new file on Paper Mario: Thousand Year Door, just finished first chapter
Mario Party 9 (can't complete Bowser's board in solo mode)
Super Mario Galaxy 2 (somewhere on 3rd world)
Epic Mickey (just started)
Super Monkey Ball: Shake and Roll (just started)
Cars 2 (just started)