XIII: Lost Identity is a first-person shooter video game and a sequel to the original XIII game released in 2003. It follows the story of XIII, a man suffering from amnesia who is trying to uncover his true identity while being pursued by various enemies. The game features a comic book art style and incorporates stealth elements alongside traditional shooting mechanics. In XIII: Lost Identity, players navigate through various environments, solving puzzles and engaging in combat. The narrative unfolds through a series of missions, revealing clues about XIII's past and the conspiracy surrounding him. The game aims to blend action with storytelling, providing an immersive experience for players.