lols mossy sucks it dun even hav te niec graffix or flaseh colurs or anyfink u ned 2 lern 2 code or sumfin bcuz ur gaems sux.
On a more serious note, quite cool indeed good sir! Got pretty lucky first time around and managed a flawless victory (43s whoop!), but the top one is totally just luck. :P Your coding has finally paid off, so congrats. Now stop reading this and g
For the alpha, instead of having "alpha < 1" you could put "alpha <= 0", which ensures that *any* value less than or equal to 0 will execute the if statement, rather than if it's down to, say, 0.8, which isn't truly invisible, although it doesn't really make a difference, I guess. :P
Enough time to think, but not to move, unfortunately, and in a game where there is only one concept (which is the entire thing), I'm afraid it has an impact which does change how much fun the game is.
Badges really should be awarded so that if you were to beat level 12 on Insane, you'd also get the badges for 12 and 8 on medium/easy, and the same for colo*u*r frantic. Otherwise, I like it, it's well done! :) 4/5.