Anticlimax Boss: Some gamers felt Dark Nebula was a rather disappointing final boss, in both story and gameplay.
Ensemble Darkhorse: While the game is a bit of a contention point for most Kirby fans, many admit to really liking Spinni, thanks to being a Badass Adorable ninja mouse.
Excuse Plot: The plot is driven by Kirby trying to get his slice of cake back.
Game Breaker: Tornado is overpowered to the point of insanity. You are effectively invincible while using it, you fly with easy controls while using it, it lasts forever, does absurd contact damage, and the kicker? The frame it ends, you can start another tornado. Quite possibly the most definitively broken power in the history of Kirby.
Hilarious in Hindsight: There's an enemy called Uja that looks like a black Master Hand made out of a swarm of insects. Then in the fourth Super Smash Bros. game, we got Master Core...