Great game for GBA. That has one big problem!
Storyline - While Kim and Ron were on vacation Drakken and Shego stole their family album.
Gameplay - This game is 2D platformer. You can play as Kim and Ron. Kim can do 3-hit combo attack and air kick. And Ron can do one simple punch but strong one, ground pound and air kick like Kim. There are also 4 gadgets for each of 2 characters. Kim has grapple,sonic bomb,decoy and boomerang and also some acrobatics such as cartwheel, cartwheel-flip,cartwheel-flip-kick and wall bounce. Ron has Rufus which is not a gadget, and in some way it is because he is is in your gadget inventory. He also has rocket boots, hot sauce fire breath and rubber boat as shield.
Graphics - Graphics are great for GBA. Enviroment is very detailed.
Conclussion - This is a great game for GBA. Graphics are very detailed and gameplay is fun. But there is one big problem: game is TOOOOO SHORT! Only 3 episodes. Because of that i think this game is not worth for buy, but for a rent!