千銃士:Rhodoknight (Senjyushi R) is a free RPG game developed by Marvelous Inc. The game features gun knights that can be trained, fought with, bonded with and grown to lead on the battlefield. The story is set in a world where various countries have regained sovereignty after the defeat of the despotic world emperor. The game starts with the character, a student at the Philclevart Officer School, being attacked by mysterious figures. The gun knights, with their absolute nobility and absolute atrocity, come to the rescue. The player is then recruited by the secret agency Kathariste to investigate the shadowy organization that attacked the school. The game features easy-to-use controls with beautiful animations. The gun knights can be bonded with through job experiences, gun maintenance, and encouragement. The game is available for iPhone 6s and later models with iOS 12 and above.