Knights' Kingdom is a top-down perspectiveaction-adventure game for the Game Boy Advance. The player controls one of four characters, with only one character being controlled at a time. The character run through a series of nine levels, attacking Shadow Knights and solving tasks along the way. The player collects shields in levels as a form of health: upon being hit by an enemy or harmful obstacle, the player's health will deteriorate. Upon dying, the player will fall back onto the ground.
The game also includes a tournament arena mode, where the characters compete against each other in three modes: Hand to Hand Combat, Jousting and Sword Lightning Combat. In tournament mode, you can play as one of five knights, who are the following: Jayko- Blue, later became king, falcon/eagle crest, Danju- The Wise, purple, fox crest, Kentis- The Quick, green, monkey crest, Santis- The Strong, red, bear crest, Lord Vladek- The evil mentor of Jayko, black, scorpion crest. (Must be unlocked first.)
Knights' Kingdom was developed by Razorback Developments and published by THQ. THQ announced the game in a press release on 29 April 2004. It was released on 4 October that year in North America and four days later in Europe.