For a NES game from 87, it holds up extremely well

This is when the boost formula peaked. The amount of secret passages you can find to cut time is a great element of this game and it feels like a fully realized "Let's remix Sonic's history type game."
The final boss sucks though

Kirby Superstar is an polished Kirby game and was the best mainline Kirby game at the time of its release. The main thing holding it back is that, due to it having 6 games, not 1 game is expanded upon too much. Besides that, this is one of Kirby's more finer outings