Crystalis is an action RPG video game developed and published by SNK for the Nintendo NES platform. First released in 1990, it combines the action-oriented combat of Zelda with RPG elements such as experience-based leveling and equipment upgrades. Set in a post-apocalyptic world in the year 2097, Crystalis radiates with a dystopian theme, where players embark on an epic quest packed with exploration, puzzle-solving, and battling enemies. With its engaging storyline, immersive gameplay, and innovative mechanics, Crystalis continues to hold a revered place in the NES library.