The King's Knight NES Nintendo Entertainment System 1989 Authentic Square AT78 is a classic video game released in 1989 by Square Soft, Ltd. for the Nintendo NES platform. The game is set in the fictional world of Esterland and follows the adventures of a knight named Kazuki as he battles through various levels to rescue his friends. With its engaging gameplay, charming graphics, and challenging puzzles, King's Knight is a beloved title that offers hours of entertainment for fans of retro video games.