Storyline and Features from: The Official Warthog Webpage:
Puzzling excitement on Gameboy Advance for up to 4 players!!

WACKY STACKERS is a perplexing action game for Gameboy Advance with many unique mode of play.

The Tiny Toons gang are on vacation in Wackyland, - Gogo the Dodo's home land. Upon arriving they are invited to take part in the national pastime of WACKY STACKERS - the wackiest sport around!

You must skillfully stack the falling dodo eggs, matching their colours to stay in play. If you get into a tight spot you can call up one of the many characters from the Tiny Toons TV show to help you out of your predicament by collecting coins through skillful play!

You can also use the Tiny Toon gang to help you confuse and hinder your opponent in multiplayer battles against your friends or the computer.

Choose to battle against the computer in, or up to three other opponents via a link cable in BATTLE MODE, flex your mental muscle with 50 preset puzzles in PUZZLE MODE, or aim for a high schore by staying in play in SURVIVAL MODE.

Puzzling action mixed with the cute appeal of the TINY TOON characters make this one of the most visually appealing puzzle games on any hand held system!

Summary from: pocket.ign.com:
"Buster Bunny, that lovable scamp from Warner Bros. Tiny Toon Adventures, is starring in his own adventure, Buster's Bad Dream for Game Boy Advance. Developed by action-masters Treasure Inc., this title has some real potential for success thanks to its original blend of platform elements, fighter-like combos, and a 'Partner System' that allows players to team up with other characters."