Knights in the Nightmare is a strategy RPG developed by Sting Entertainment, released for the Nintendo DS in 2008 in Japan and 2009 in North America. The game blends elements of strategy, role-playing, and bullet-hell shooters. Set in the fictional kingdom of Aventheim, players navigate a wraith who compiles the souls of fallen knights to restore order to the kingdom. The game is known for its complex gameplay mechanics and distinctive art style.