GunZ: The Duel , also known simply as GunZ, is an online third-person shooting game, created by South Korean-based MAIET Entertainment. It is free to play, with a microtransaction business model for purchasing premium in-game items. The game allows players to perform exaggerated, gravity-defying action moves, including wall running, stunning, tumbling, and blocking bullets with swords, in the style of action movies and anime. Source: Wikipedia, "GunZ: The Duel", available under the CC-BY-SA License.