Many games i never finished.
I create some game, play it a while, then don't play it for a week. After that week, i start something else usually because i like fresh starts and the old game always looks messy if you're no longer "into it".
Gotm's i played quite some more than i actually submitted. Some i simply didn't manage to finish in time. Some others i abandoned because i always had the "there is the winner and then the best of the losers" philosophy. In other words, only the gold medal is acceptable to me. Since the gotm difficulty is never high enough to be a chalenge for victory, the only chalenge is the victory in the gotm against the other players. Had a few games where i saw i wouldn't get gold and quit those.
I know it's weak and stuff like that, but i just can't get myself to play and try for a second place. Simply because a second place means nothing to me.
(I did make an exception when i went for space for the first time and actually submitted my 7th place)
The games i do finish usually take 3-4 weeks.