Shoot the Sheep!

[chunt1 (Christopher R. Hunt, TREC# 9209)]

Test your reaction time. Quite an addicting game.

http://www.bbc.co.uk/science/humanbody/sleep/sheep/reaction_version5.swf

Though not as addicting as a game previously posted on the board:

http://www.addictinggames.com/helicopter.html