Classic NES Series: Dr. Mario is a Game Boy Advance port of the Nintendo Entertainment System game Dr. Mario. This re-release does not enhance the game in any way or form. This is not the only time that Dr. Mario has appeared on the Game Boy Advance. For one, it appeared in the form of Dr. Wario in the game WarioWare, Inc., while following this game they rereleased it along with Puzzle League in Dr. Mario & Puzzle League. The game was part of the second batch in the Classic NES Series.