Best ending
Surround the enemy in the final level with bubbles then press Start Select Start to bring a second player into the game Then pop the bubbles to see the quotHappy Endingquot This will also enable the sound test option
Borrowing lives
Begin game play in two player mode Press Start Select when a player runs out of lives to borrow a life from the player that is still active
Two player help
Pause game play and press Select to get help from player two