Cheats
Unlock All Extras
Input the classic Konami Code: Up, Up, Down, Down, Left, Right, Left, Right, B, A during the title screen to unlock all of the Cool Stuff without having to beat the game with everyone.
Achievements
| Achievement | Description |
|---|---|
| "Excellent" (30) | Complete the game on Expert difficulty in individual Quarters mode. |
| Battling Seizure Robots (10) | Playing from stage 1, defeat the battling robot. |
| Best Score Ever (25) | Earn 250 points (US) or 25,000 points (Japan) in a game. |
| Bongo's Angst (10) | Playing from stage 1, get Bongo to appear in 4 different levels. |
| Dysfunctional Family (10) | Play in a 4-player match with three other people. |
| Easier Than Arm Wrestling (10) | Defeat the Wrestler without any player dying. |
| Falling For Smithers (10) | Playing from stage 1, fall through the deck after Smithers. |
| Helper Monkey (10) | While performing a Team Attack, damage 25 enemies. |
| It Tastes Like Burning (10) | Hurt Smithers with one of his own bombs. |
| Like Taking Candy From a Baby (25) | Complete the game four times, once with each character. |
| Mr. Sparkle (25) | From stage 1, make it to the stage 3 bosses in Survival Mode with the Japanese ROM. |
| Release The Hounds (25) | Complete the game in 30 minutes or less. |
