Super Royal Blood is a Nintendo Entertainment System (NES) game developed by HAL Laboratory and published by Nintendo in 1992. It is a action-adventure game set in a world of medieval Japan. The player controls a protagonist, known as the 'Prince of Blood', who must travel through the game's world to stop a dark force from taking over the land. The game is a sidescrolling action-adventure game with a 4-player co-operative multiplayer mode. The player moves the protagonist through a series of levels, fighting off enemies along the way. The player can use weapons and items to defeat enemies, and the protagonist's health is based on his overall health, as well as the amount of damage he has taken. The player can also use magic to cast spells, and the game features a variety of enemies and obstacles that the player must avoid. The game was met with critical acclaim upon release, and remains a popular classic.