Dr. Mario

Dr. Mario is a 1990 puzzle video game developed and published by Nintendo for the Nintendo Entertainment System and Game Boy. A spin-off of the Mario series, it is a falling block puzzle game in which the player's objective is to destroy the viruses populating the on-screen playing field by using colored capsules "Capsule (pharmacy)") that are automatically tossed into the field by Dr. Mario. The player manipulates the falling capsules, to align the same colors, which destroys viruses. The player progresses through the game by eliminating all the viruses on the screen in each level. The game was produced by Gunpei Yokoi and programmed by Takahiro Harada, with the soundtrack composed by Hirokazu Tanaka. Dr. Mario was a commercial success, with more than 10 million copies sold worldwide across all platforms. It received generally positive reviews, appearing on several lists of "Best Nintendo Games of All Time".