[ninju]

How do you win a level?

I trapped the critter with painted lines but when the time expired it said I lost :-(

[ninju]

Ah..you have to trap them REAL tightly and then they explode :-)

[stevekemp]

Helps to hold the button down and shake over the circle - if you don't mouseup it doesn't count as a new stroke.

[deepanwadhwa]

Nice find, there is a limited length for each stroke though :)