this video game is based on snks 1985 arcade game "tnk iii" (which was released as "tank" in japan). set during the invasion of normandy, the player takes control of a commando named paul and codenamed snake (colonel ralf in the japanese version, who also appeared in "ikari warriors"), as he mans the titular iron tank to infiltrate the german stronghold. within pal-a regions, it was only released in australia.