You just play it until you get to the "Game Over" screen, and make sure you're connected (green 'plug' icon above the score list).
Scores have been updating slowly around Kong today though, so you should wait until tomorrow just to be sure.
aw, I was hoping that the difference spotter (the player) would get hit by the trains in the game (trains being somewhat of a motif)
then you would have been a "trained" difference spotter
hehe...
You just play it until you get to the "Game Over" screen, and make sure you're connected (green 'plug' icon above the score list). Scores have been updating slowly around Kong today though, so you should wait until tomorrow just to be sure.