Conquest of the Crystal Palace, also known as “Matendōji” in Japan, is an action-platform video game developed and published by Quest Corporation for the Nintendo Entertainment System (NES) in 1990. This fantasy-themed game allows players to take on the role of a young hero named Farron, who is on a quest to reclaim his stolen Crystal Palace from the evil Zaras. Accompanied by his dog Zap, Farron must traverse through a series of platforms, battling numerous imaginative enemies and bosses. Running, jumping, and using various weapons and power-ups, players strive to reach the end of each level. The game offers challenging gameplay and distinctive pixelated art, beloved by the retro gaming community.