On the Killing Floor, try to put mines at the entrance of where the clones come out and hide at a place with boxes on top of each other to be more stealthy.
Hey, found a glitch of outer squggleville. When a spider hit's the other enemy's shot, it glitches in the air, and when Fancy pants touches it, you're pretty well stuck there for a long time.
I don't think the best way is to spin your mouse in a circular motion, it's a bit harder to attain lots of metres. Best way I think is just flick your mouse as fast as you can to the top right corner of your screen. Thumbs up to help the confused or the people who want most of the greed of getting a high score!