I always try to 'juice' my game up to make it look fun, and satisfying to play. A lot of techniques are very easy to implement, and really pay off in the end.

(You can play it here)

Here are two great videos on on how to juice up your games. (if you haven't already!) And show the difference it makes!

and Juice it o lose it, by Martin Jonasson & Petri Purho Juice it or lose it

The art of Screenshake, by Jan Willem Nijman The art of Screenshake