is an action-RPG developed by Xtalsoft and published by Square's publishing label Disk Original Group (DOG) for the Family Computer Disk System in Japan in 1987.
Kalin no Tsurugi takes place in the peaceful Altenia Kingdom. Recently, however, monsters have been appearing. To help combat these monsters, the King calls forth his best knight: the player, who must find the mage Gladrif and defeat the monsters terrorizing the townspeople.