GAME: Super Smash Bros. Melee (GCN)
COM vs. COM vs. COM vs. COM (AI setting: 9)
Special Melee: Giant Melee
Item Switch: Super Mushroom only [VERY HIGH]
Another favorite match type of mine. (This mode is also called the "Megaton Melee".) Try picking large characters and a small stage for this. It's hilarious.