Super Nintendo game Ace o Nerae! is an action role-playing game developed by Bandai Namco Entertainment for the Super Nintendo Entertainment System. It was released in Japan on November 4, 1990, and in the United States on December 6, 1990. The game is a sequel to the 1990 arcade game Gaiden. It tells the story of a young girl named Rena, who is sent to a mysterious world in an attempt to save her sister. Along the way, she must battle evil creatures, including a dragon, and collect powerful items in order to progress. Ace o Nerae! received mixed reviews from critics. However, it remains one of the most popular Super Nintendo games.