A pretty absurd but entertaining story combined with solid RPG/combat mechanics (dodging attacks on the field + recharge meter attacks), and an amazing soundtrack. It's a somewhat overlooked game that deserves a lot more attention, and it's not too long so it doesn't overstay its welcome at all. Boss fights at the end can get a bit challenging, but the game is for the most part quite fair and remains engaging all the way through. One of my favorite oldie games.

Also, the mitochrondria is the powerhouse of the cell.