Straight down the line

I've been on a training course for the last couple of days, and the guy at the computer in front of me has been distracting me and everyone else on my row by playing this immensely addictive little flash game. There seems to be a whole thing about it on YouTube.

I, on the other hand, have been denumbing my mind from this project management training malarkey by playing chess... that and typing very, very quietly...