Unlock Chase Car Mode To unlock what is known to the Germans as "Chase Car Mode" earn an A rating on all missions and an S on the Bus Chase. Unlock Disaster Mode Achieve an S rating in Final Rescue Mode to unlock Disaster Mode. Unlock Final Rescue Mode To unlock the Final Rescue Mode, earn an S rating with the Sports Car. Unlock Bat and Pork Choppers: To unlock the Bat and Pork helicopters, beat all of the rescue missions