Click on the egg on the top right of your screen upon logging in, and click "go there" to enter to fix the emergency thrusters. You'll see this room:
Click on the metal door, and enter your penguin into the challenge. The objective is to obtain all three keys in the dark. There is a small circle of light around your character, it moves with your mouse so use it to guide yourself through the maze.
Be careful, as some keys are stuck behind walls, so you must navigate steadily to ensure you complete it as efficiently as possible. Voila! You can get your free background from Jet Pack Guy if you complete it successfully. Good job, agent.
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