To access the Chloe Annett Audition, select the red button in the mid-section. It will pick up a bazookoid and aim it at a door. There will be two buttons on the bazookoid. Press the left one, and it will fire on the door and open it. It will then lead you into the Audition.
The way to access this egg is similar to reaching the Chloe Annett Audition.
Press the red button in the mid-section, it will take you to a bazookoid. The bazookoid will aim at a door, and you select the right button. This will take you to the Gary Martin Trailer Voiceover.
The exploding door egg can be accessed by pressing the blue button in the mid-section. You will be taken to the bazookoid, and you can use either button on the weapon to destroy the button.
All easter eggs were generously submitted by black6q