Black Mesa Hazard Course PRESS FORWARD KEY TO MOVE UP LADDERS PRESS BACKWARD KEY TO MOVE DOWN LADDERS WHILE MOVING FORWARD, HOLD DOWN DUCK KEY-- THEN PRESS JUMP BE SURE YOU PICKED UP THE LONG-JUMP MODULE AT THE BEGINNING OF THE OBSTACLE USE MED-KITS BY HOLDING DOWN THE USE KEY HOLD DOWN USE KEY UNTIL HEALTH IS AT 100 OR KIT IS DEPLETED ACTIVATE WHEELS AND DIALS BY HOLDING DOWN THE USE KEY HOLD USE KEY UNTIL BRIDGE IS IN POSITION