List of WarioWare, Inc.: Mega Microgame$! pre-release and unused content
From the Super Mario Wiki
This is a list of pre-release and unused content for the game WarioWare, Inc.: Mega Microgame$!.
The microgame, Dodge Balls was supposed to have nine levels at all, the very last one containing ten balls to escape from. These harder levels were, however, used in Wario World's unlockable microgame mode.
A microgame based on the arcade game Breakout. The player must guide the pad at the bottom of the screen and keep the ball from falling. There was no difference between levels.
A microgame based on Nintendo Color TV Game's Pong. The objective is to control a paddle at the left side of the screen and return the ball to the oponnent.
A minigame based on Pong. The objective is to score five points by making the ball go through the opponent's border of the screen. The game used the and buttons to move the paddles.