Gungnir is a tactical role-playing game developed by Sting Entertainment. The game was released for the PlayStation Portable in Japan in May 2011 and in North America in June 2012. It is the spiritual successor to Sting's popular tactical role-playing game, Yggdra Union. The story follows a group of mercenaries as they attempt to overthrow their oppressive government. The game features a unique battle system that combines turn-based combat with real-time elements, as well as a variety of characters and classes to choose from. Gungnir has received generally positive reviews from critics and fans alike, and is seen as a worthy successor to Yggdra Union.