I think making the icon (which turned out kinda crap i must say) took longer than making the game itself. It's basically guitar hero - but you play with the keys, and there's NO SOUNDS! i'm lazy when it comes to sounds.
Post your time - but practice first, may change the difficulty depending on what people say
thanks for playing.
edit: changed the number of chances given from 10 to 15, to make the game last slightly longer
edit: fixed a couple of huge bugs (seems some of the high scores may have been caused by an unfair advantage with the timer o.o)
my record, 452 seconds