Books like Gemini Game

The Virtual Reality police are after BJ and Liz!The time is the early twenty-first century and fifteen-year-old twins BJ and Liz are "Game Makers"--creators of highly sophisticated and wildly popular Virtual Reality games. But now, twelve people have fallen into comas while playing the Night's Castle game, and BJ and Liz are wanted by the police. The only way they can discover what--or--who is sabotaging their game is to play it themselves. When they enter the bizarre VR world of Night's Castle, winning becomes a matter of life and death.