You made it to the stage 3 bosses in Survival Mode with the Japanese ROM.

You defeated the Wrestler without any player dying.

You fell through the deck after Smithers.

You hurt Smithers with one of his own bombs.

You played in a 4-player match.

You got Bongo to appear in 4 different levels.

You defeated the battling robot.

You damaged 25 enemies with a Team Attack.

You scored 250 (US) or 25,000 (Japan) points in one game.

You completed the game in 30 minutes or less.

You have completed the game once with each character.

You completed the game on Expert difficulty.