City Crisis Bat and Pork: Complete all of the rescue-style missions. The Bat and Pork helicopters will be unlocked in all modes. Final rescue mission and time attack mode: Complete all of the chase-style missions. Time attack mode will now be unlocked. Select mission mode to access the "Final Rescue" mission. Chase car mode: Achieve an "A" rank on each mission and an "S" rank on the "Bus Chase". Final rescue mode: Achieve an "S" rank with the Sports Car. Disaster mode: Achieve an "S" rank in final rescue mode.