Mario Kart: Double Dash!!/Walkthrough

mirror mode,pretty hard to get,and play.Why is this so,you must get gold trophies on 150cc on each cup,the hardest one would be cup tour all sixteen tracks!Can you belive that.Well,i beat it and once you get mirror mode play it on all cups and you will unlock two coll characters....PETTY PIRANNAH AND KING BOO!The problem with mirror mode is you have go the oppisite way on the track,now that is hard.Do not worry,you will beat it,i did didn't I?Well that is all i got,maybe i will submit more hints to having an advantage in the game!