Vector TD: A new take on tower defense (may get you fired)

machinist.salon.com — "In March, a strange virus felled large swaths of the tech blogosphere. Well, it wasn't exactly a virus -- it was actually a Flash game, but one so giddily addictive that it would destroy, for days and weeks at a time, the productive capacities of anyone in its path...Desktop Tower Defense" Jun 15, 2007 View in Crawl 4