Spam the green flag. Controls (v1.4) -Cameras- Open your cameras with the left arrow key, and close them with the right. Use the Number keys to cycle through the 4 cameras. -Doors- Hover over them with your mouse and click them to close them. You must keep your mouse on the doors to keep them closed, or they will open. -Attacks- When an entity gets to your 4th camera, they are right in front of your office. To deal with the Red one, close your left door and wait for the scratch. To deal with the Blue, close the right door. The Green appears on one of your cameras, just to block your vision. They don't attack. To deal with Purple, listen for the sound cue. After you hear it, you must keep the left door open, and let it come inside. if you shut the left door with it still outside, it will attack you. It will leave shortly after. White requires attention on camera 4, keep the bar at the top of your screen full by looking at him, or he will attack you.
