I have been trying to think of ways to make Foldit more fun on shorter time scales.
If you want to brainstorm about this, please e-mail me or post ideas here or in the Forum at
http://fold.it/portal/node/993166

One idea is to have Foldit keep track of moves done so far on a puzzle
and report this to the user as the game goes.
There could be separate rankings for best score in under 300 moves,
best score in under 1,000 moves, best score in under 3,000 moves,
best score in under 10,000 moves, best score in under 30,000 moves, etc.
This would let people who don't have much time to play the game
see how their scores compare with others over similar scoring periods.