Thinkin' About My Doorbell

Thinkin' About My Doorbell is an Achievement in Halo Wars that is unlocked when the player opens the doors in a particular order on Escape.

It is worth 5 Gamerpoints.

Tips
You have to open the doors to the Portal in the following order:
 * 1) The door just North West of your Starting Base.
 * 2) The door directly opposite of Door 1.
 * 3) The door to the east of Door 1.
 * 4) The door directly opposite of Door 3.
 * 5) The door to the north of Door 3.
 * 6) The door directly opposite of Door 5.

Trivia

 * The achievement title is a reference to the White Stripes song My Doorbell.