Play Super Mario Land online for free at playR. With playR you can save Super Mario Land online and compete with other players hiscores and play other. Journey with Mario to a land of giant crabs, Koopa Troopas, flying stone heads and hungry sharks! Travel over land, in the air, and underwater. Mario makes his. Super Mario Land is a platforming video game developed by Nintendo for the Game Boy handheld game console. It and the Game Boy debuted in Japan on.