mario be invite to princess peach castle for cake . when mario get there and he find out that bowser have kidnap her . mario must save the day again . unlike the 2 d game and mario can explore anything he want to . he can just roam around and climb tree try to look for 1 ups and find secret in level and and more . you can spend four hour in one level . no time limit . there be 16 world and with a number of stage and and there be star door and which you need a certain number of star to get into . once you get in these star door and you must go through a stage and fight bowser at the end of the stage . to get to certain world and you need a number of star to get in . you enter the world by go through a painting . there be so much stuff to do and so many hour of gameplay and i do not see how anyone could dislike this game . it great . this launch title be the game that insure gamers that the n64 would have a good life . every 3d plat form game we know of have something in common with sm64 . banjo kazooie and banjo tooie be example that be commonly use . super mario 64 be one of the great game in the history of 3d game . positive . if you have an n64 and buy this game . it hard to find used and because no one selling this baby for 5 buck at the pawn shop . a perfect 10 .