Dr. Mario

Dr. Mario is a 1990 NES video game developed by Nintendo R&D1 and released by Nintendo of America in the USA on October 14, 1990. A puzzle game similar to Tetris, Dr. Mario features Nintendo mascot Mario as a doctor. Gameplay consists of dropping two-sided vitamin capsules into a playing field 8 blocks wide by 16 blocks high resembling a medicine bottle, populated by viruses of three colors