Go up to the second floor, then go to Columbian Roastmasters. Go to the where the cash machine is located them jump out onto the roof/ledge below. Land on the orange overhang. The katana will be there.
Locate Sub-machine Gun:
Jump from the stairs closest to you when you start to the blue ledge above Kid's Choice Clothing. Keep following the walkway past the stuffed bear all the way to the end to find it.
In the Food Court, go to the sign with the Italian chef. Climb to its left side. At the top is an Uzi.
Get to the Entrance Plaza for the first time when man tells you to look for barricades. Notice that one of the men talking near the entrance has a shotgun. When the zombies attack, run up to his body. Pick up the shotgun.
Locate Small Chainsaws:
After killing Adam the clown by the roller coaster in Wonderland Plaza, he will drop a chainsaw. Pick it up before you activate the control to stop the ride. After the intermission sequence, another chainsaw will spawn at the location. Pick it up. Get the Criminal book from the back of the bookstore where you find the Japanese tourists, and the Engineering and Entertainment books from the Book Store accros from the toy store and CD store in Paradise Plaza. These will give you three duration enhancers for the small chainsaws that you received from the clown. That will make these powerful weapons last for a very long time.
Unlock Infinity Mode:
Successfully complete the game with the "True" ending.
Unlock Overtime Mode:
Complete the first 72 hours of Frank's stay in the mall. Then, return to the helipad by noon on the 22nd.
Bester Fester Beginning:
Replay the first few portions of the game first -- save the couple and photograph them hugging for moola points. Kill a few zombies and then die around the parking lot area. When you "save and exit to title", you keep your character's development (and PP values) for the next attempt at the game. You can power up significantly to muscle through the later areas of the game!
Samurai Onechambara Zombie Action:
Screw the firearms. This is not Resident Evil! Stick with the samurai sword if you want to whack bosses. Deliver a few hits and your bullets can be saved for times when you need to attack at range to get to vital food and health items.
First to make a shake you put two food items into A blender found at the food court or other food shops. The shakes give frank special powers for a short amount of time.
UNTOUCHABLE (zombies won't bite but will hit you) RED
-Pie + Pie
-Bread + O.J
QUICKSTEP (makes frank run very fast) WHITE
-Milk + Milk
-Yogurt + milk
-Yogurt + yogurt
-Bread + Wine
SpitFire(turns Franks spit into a gun) BLUE
-Baking ing. + Corn
-Baking ing. + Zucchini
-Hot sauce + Hot sauce
ZOMBAIT(zombies more attracted to frank)PINK
-ice pops + milk
-milk + bread
NECTOR(attracts queen bees)
-O.J + O.J
-Orange + Orange
-Baking ing. + Baking ing.
-Pizza + Yogurt
(black can also case cramps)
All items here are found in the food court except the orange
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
Solve all cases and return to the teleport at 12 am on the 22nd
solve all cases and resue a certain number of survivors (unknown number)
Dont get to the helliport on time and solve all cases
Be a prisoner of the special forces at 12 am on the 22nd
Dont be at the helliport and dont solve all cases
Fail to collect all of Carlitos bombs on act 7-2
Complete the following achievements to unlock X-box Live Gamerscore points.
Zombie Hunter: Defeat at least 1,000 zombies.
Zombie Killer: Defeat at least 10,000 zombies.
Zombie Genocider: Defeat at least 53,594 zombies.
Self Defense: Defeat at least 1 psychopath.
Peace Keeper: Defeat at least 5 psychopaths.
Punisher: Defeat at least 10 psychopaths.
Legendary Soldier: Defeat a least 15 psychopaths.
Hella Copter: Repel a helicopter.
Tour Guide: Escort 8 survivors at once.
Frank the Pimp: Simultaneously escort 8 female survivors.
Full Set: Collect all portraits in the notebook.
Humanist: Get at least 10 survivors out of the mall.
Life Saver: Get at least 20 survivors out of the mall.
Saint: Get at least 50 survivors out of the mall.
Strike!: Send at least 10 zombies flying with bowling balls.
Costume Party: Place novelty masks on at least 10 zombies.
Raining Zombies: Knock at least 30 zombies aside with a parasol.
Gourmet: Eat all types of food available in the mall.
Item Smasher: Break at least 100 items.
Bullet Point: Fire at least 1,000 bullets.
Perfect Gunner: Don't miss with a machine gun.
Photojournalist: Score at least 1,500 PP from a single photo.
The Artiste: Score at least 3,000 PP from a single photo.
Group Photo: Get 50 Target Markers with the camera.
Portraiture: Photograph at least 10 survivors.
Census Taker: Photograph at least 50 survivors.
Psycho Photo: Photograph at least 4 psychopaths.
Psycho Collector: Photograph at least 10 psychopaths.
PP Collector: Photograph all PP Stickers.
Snuff Shot B: Successfully photograph zombie Brad.
Snuff Shot J: Successfully photograph zombie Jessie.
Transmissionary: Answer all calls from Otis.
Indoorsman: Spend at least 24 hours indoors.
Outdoorsman: Spend at least 24 hours outdoors.
Freefall: Drop from a height of at least 16 feet (5 meters).
Marathon Runner: Cover a distance of 26.2 miles (42.195 km).
Carjacker: Steal the convicts' vehicle.
Stunt Driver: Jump a car at least 33 feet (10 meters).
Stunt Rider: Jump a motorcycle at least 33 feet (10 meters).
Zombie Road: Walk over 33 feet (10 meters) on the backs of zombies using the Zombie Ride.
Karate Champ: Defeat at least 1,000 zombies barehanded.
Sharp Dresser: Change into at least 20 different costumes.
Clothes Horse: Change into all costumes available in the mall.
Level Max: Reach level 50.
Unbreakable: Get the true ending without being knocked out.
Overtime Mode: Unveil all cases and be at the heliport at noon.
8 Mode: Get the true ending.
3 Day Survivor: Survive for at least 72 hours.
5 Day Survivor: Survive for at least 5 days.
7 Day Survivor: Survive for at least 7 days.
Barricades can be made, it will slow the zombies down but most likely will not stop them. Grab a large item, a steel rack is best. This will take practice but drop them at the entrance of the store. Its best at columbean rostmakers or masters or the super market. Shopping carts work pretty good too!
If your trying to get the zombie killer-genocider heres a tip. After you kill the convicts get in there car and drive through the road tunnle. Also stealing the convicts car unlocks another achievment. After about 2-5 run throughs depending on how good you are at driving.