Use the arrow keys to walk 2-Culz the robot around. You will notice going up makes the robot move away from you and down will make it come closer and does this very realistically. There is plenty of space here to walk around so enjoy.
This one gave me some cool ideas for other games. Maybe it will help you make a game in 3 dimensions, now wouldn't that be awesome? - Notice the sound as it gets closer and farther from the screen. - You can go really far away if you hold up for a while.