Complete each of the following achievements below to get the allotted gamerscore. Unlockable How to Unlock 3 Day Survivor (20) Survive for 3 days. 5 Day Survivor (20) Survive for 5 days. 7 Day Survivor (20) Survive for 7 days. Bullet Point (20) Fire 1,000 bullets. Carjacker (20) Steal the convicts' vehicle. Census Taker (20) Photograph 50 survivors. Clothes Horse (20) Change into all costumes available in the mall. Costume Party (20) Place novelty masks on at least 10 zombies. Frank the Pimp (20) Simultaneously escort 8 female survivors. Freefall (20) Drop from a height of at least 16 feet. Full Set (20) Collect all portraits in the Notebook. Gourmet (20) Eat all types of food available in the mall. Group Photo (20) Get 50 Target Markers with the camera. Humanist (20) Get 10 survivors out of the mall. Indoorsman (20) Spend at least 24 hours indoors. Item Smasher (20) Break 100 items. Karate Champ (20) Defeat at least 1,000 zombies barehanded. Level Max (20) Reach Level 50. Life Saver (20) Get 20 survivors out of the mall. Marathon Runner (20) Cover a distance of 26.2 miles. Outdoorsman (20) Spend at least 24 hours outdoors. Overtime Mode (20) Unveil all Cases and be at the heliport at noon. Peace Keeper (20) Defeat 5 psychopaths. Perfect Gunner (20) Don't miss with a machine gun. Photojournalist (20) Score at least 1,500 PP from a single photo. Portraiture (20) Photograph 10 survivors. PP Collector (20) Photograph all PP Stickers. Psycho Collector (20) Photograph 10 psychopaths. Psycho Photo (20) Photograph 4 psychopaths. Punisher (20) Defeat 10 psychopaths. Raining Zombies (20) Knock at least 30 zombies aside with a parasol. Saint (20) Get 50 survivors out of the mall. Self Defense (20) Defeat 1 psychopath. Sharp Dresser (20) Change into at least 20 different costumes. Strike! (20) Send at least 10 zombies flying with bowling balls. Stunt Driver (20) Jump a car at least 33 feet. Stunt Rider (20) Jump a motorcycle at least 33 feet. The Artiste (20) Score at least 3,000 PP from a single photo. Tour Guide (20) Escort 8 survivors at once. Transmissionary (20) Answer all calls from Otis. True Mode (20) Get the true ending. Unbreakable (20) Get the True ending without being knocked out. Zombie Genocider (20) Defeat 53,594 zombies. Zombie Hunter (20) Defeat 1,000 zombies. Zombie Killer (20) Defeat 10,000 zombies. Zombie Road (20) Walk over 33 feet on the backs of zombies using the Zombie Ride. Ending requirements These are the requirments needed in 72 hour mode to unlock different endingd the farther in the letter goes the worst it is i.e. f=worst a= best Unlockable How to Unlock Ending A Solve all cases and return to the teleport at 12 am on the 22nd Ending B solve all cases and resue a certain number of survivors (unknown number) Ending C Dont get to the helliport on time and solve all cases Ending D Be a prisoner of the special forces at 12 am on the 22nd Ending E Dont be at the helliport and dont solve all cases Ending F Fail to collect all of Carlitos bombs on act 7-2 Unlockable Items A handful of the Achievements have Unlockable content that becomes available once they've been activated. These, rewards, which include special costumes and items, can be found inside Shopping Bags behind the air duct in the Security Room. Note: I'm missing one Unlockable. It is unlocked when you get the "Saint" Achievement. Unlockable How to Unlock White Hat Census Taker: Ammo Belt Perfect Gunner Arthur's Boxers 7 Day Survivor Hockey Mask PP Collector Laser Sword 5 Day Survivor: Mall Employee Uniform Transmissionary Mega Man Boots Unbreakable Mega Man Tights Punisher Prisoner Garb Carjacker Pro Wrestling Boots Item Smasher Pro Wrestling Briefs Karate Chop Real Mega Buster. Zombie Genocide Special Forces Boots Legendary Soldier Special Forces Uniform Hella Copter Unlockables Unlockable How to Unlock Infinity Mode This is unlocked by obtaining the "true ending". Overtime Mode When you finish the first 72 hours of Frank's stay in the mall and return to the helipad by noon on the 22nd