You have completed the game once with each character.
You made it to the stage 3 bosses in Survival Mode with the Japanese ROM.
You completed the game on Expert difficulty.
You damaged 25 enemies with a Team Attack.
You completed the game in 30 minutes or less.
You defeated the Wrestler without any player dying.
You got Bongo to appear in 4 different levels.
You defeated the battling robot.
You fell through the deck after Smithers.
You scored 250 (US) or 25,000 (Japan) points in one game.
You hurt Smithers with one of his own bombs.
You played in a 4-player match.
