Castlevania: Circle of the Moon — the player is required to guide the character Nathan Graves through a castle filled with monsters, where he searches for his kidnapped mentor. Like many previous Castlevania heroes, Nathan uses a whip to attack enemies, along with additional weapons such as an axe, cross, holy water, dagger and watch, only one of which can be equipped. Circle of the Moon features a non-linear gameplay style: at the beginning of the game, Nathan can only enter certain areas of the castle; Having received various abilities, such as breaking some walls with a whip, pushing boxes, jumping high, he gradually explores the entire castle.