Use numbers 1 to 6 to switch rooms. If you find the robber click the broadcast button to win. You can use the tablet to check the cameras. 0 is the office. There you are safe. If you ever come across Scra Cat or spring Pico you have 0.5 seconds to put on the mask or you are dead. Here reaching 6AM is bad because you have no more time to catch the robber. There is an ending and you have to beat the game to receive it. It is about the story. The other games did not have any parts of the story. I will take further notice about that later.
Hint: You felt very green about your new job. You noticed something sinister about yourself. Yet feeling green was never new...