Alfheim Online is a virtual reality massively multiplayer online role-playing game (MMORPG) featured in the anime and light novel series Sword Art Online. Players can explore a fantasy world filled with various races, including Elves, and engage in quests, battles, and social interactions. The game is known for its immersive environments and unique gameplay mechanics, allowing players to fly and use magic. Set in a world inspired by Norse mythology, Alfheim Online serves as a sequel to the original Sword Art Online game. Players can customize their characters and form alliances with others, enhancing their gaming experience. The game emphasizes teamwork and strategy, making it popular among fans of the genre.