퍼니싱: 그레이 레이븐 is a free Android game developed by HK Hero Entertainment Co. Limited. It is a new paradigm 3D action RPG set in a post-apocalyptic science fiction world. In the game, players take on the role of a commander leading a group of "구조체" (rescuers) in a battle against the "퍼니싱" (punishing) invasion. The game features high-quality graphics, intense action, and a unique combat system where players can use various skills by touching skill balls. Players can also enter the "초산 공간" (extreme evasion space) to unleash additional skill effects and perform combo attacks using a combination of regular attacks and skills. The game also offers a character customization feature where players can freely decorate the "숙소" (residence) of the 구조체 and build relationships with them. With its immersive gameplay and captivating storyline, 퍼니싱: 그레이 레이븐 offers a new dimension of strategic battles and promises an engaging experience for players.