The game starts off as the classic Donkey Kong arcade game with 4 levels, then after you send DK falling down the collapsed building, instead of winning, you then have a whole NEW game to play! Several levels and worlds that make you think, and plan out how to move, taking the area, enemies, and variables into account. I played this as a kid, and just got it on my 3DS eShop, and I love it just as much. I only have ONE single complaint. You cannot pause during the final battle. That's the ONLY complaint I have from what I remember. Great game, awesome characters, a fair difficulty, and I feel this game demonstrates the classic rivalry of Mario and Donkey Kong better than the original arcade did, having many more levels and showing how creative Donkey Kong can be.