Ys is an action role-playing game developed by Nihon Falcom and released for the Nintendo Entertainment System in 1988. The game follows the adventures of Adol Christin, a young adventurer who sets out to explore the land of Ys. The game features real-time combat, a unique leveling system, and a variety of weapons and spells. The game was praised for its graphics, sound, and gameplay mechanics, and is considered one of the best RPGs of its time.