Mystery 21

Mystery 21 is an immersive 3D shooting game designed for Android mobile devices, where players engage in intense combat against AI-controlled enemies. 

Players control their character using intuitive touch screen controls. Movement is managed via a virtual joystick, while shooting and aiming are executed through on-screen buttons. 

Enemies in Mystery 21 are powered by advanced AI, allowing them to track and follow the player throughout the game environment.