To explore use your A, S, W, D keys or your arrow keys. W - Forward | S - Reverse | A - turn left (reduces drive speed of left tracks) | D - turn right (reduced drive speed of right tracks)
Stop or Decelerate drive tank in reverse with a few taps on the S key. The Emergency Brake is the Spacebar. To go forward after emergency braking, tap the S key and then W to move forward.
The ESC key will return your mouse to your browser and allow you to navigate away from or close the browser.