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Codes for Biohazard: Outbreak
Hard mode
Successfully complete the "Decisions, Decisions" stage. You can now unlock hard mode for 2,000 points.
Very hard mode
Successfully complete all stages on the hard difficulty setting. You can now unlock very hard mode for 3,000 points.
Solo mode
Successfully complete all stages on the hard difficulty setting. You can now unlock very hard mode for 10,000 points.
Infinite ammo
Successfully complete all stages with a 100% rating. You can now unlock infinite ammo free mode for 50,000 points.
Play as Bob
Successfully complete the "Outbreak" stage on any difficulty setting with Mark. Then, go to the collection menu and purchase costume number 12 for 4,000 points. Note: He will have Mark's storyline and voice.
Play as civilians
Successfully complete the "Decisions, Decisions" stage on any difficulty setting with any character. Then, go to the collection menu and purchase costume number 30 for 10,000 points. Note: Man 1 and Man 2 have George's storyline and voice. Man 3 has David's storyline and voice. Man 4 has Mark's storyline and voice. Man 5 has Kevin's storyline and voice.
Play as Doctor Hursh
Successfully complete the "Hive" stage on the very hard difficulty setting with George. Then, go to the collection menu and buy costume 19 for 4,000 points. Note: He will have George's storyline and voice.
Play as doctors
Successfully complete the "Hive" stage on the normal difficulty setting with any character. Then, go to the collection menu and buy costume 20 for 6,000 points. Note: Doctor 1, 2, and 3 will all have George's storyline and voice.
Play as firemen
To play as Danny, collect the fireman id tag 1 in the "Hellfire" stage on any difficulty setting. Then, successfully complete the stage with the tag. Then, go to the collection menu and buy costume 22 for 5,000 points. Note: Danny has Kevin's storyline and voice.
Play as Frank
Successfully complete the stage "Decisions, Decisions" on the hard difficulty setting with any character. Then, go to the collection menu and buy costume 27 for 3,000 points. Note: Frank will have Jim's storyline and voice.
Play as Greg
Successfully complete the "Decisions, Decisions" stage on the very hard difficulty setting with any character. Then, go to the collection menu and buy costume 26 for 10,000 points. Note: Greg has George's storyline and voice.
Play as J's Bartender Will
Successfully complete the "Outbreak" stage on the very hard difficulty setting with any character. Then, go to the collection menu and purchase costume number 13 for 3,000 points. Note: He will have Jim's storyline and voice.
Play as matchstick men
Obtain all special items. Then, go to the collection menu and buy costume 31 for 10,000 points. Mr. Red has Kevin's storyline and voice. Mr. Gold has Mark's storyline and voice. Mr. Blue has George's storyline and voice. Mr. Black has David's storyline and voice. Mr. Green has Jim's storyline and voice.
Play as Monica
Successfully complete the "Below Freezing Point" stage on the normal difficulty setting with any character. Then, go to the collection menu and buy costume 17 for 5,000 points. Note: Monica will have Alyssa's storyline and voice.
Play as nurses
Successfully complete the "Hive" stage on the hard difficulty setting with any character. Then, go to the collection menu and buy costume 21 for 5,000 points. Note: Nurse 1 has Cindy's storyline and voice. Nurse 2 has Alyssa's storyline and voice.
Play as Peter
Successfully complete the "Decisions, Decisions" stage on the hard difficulty setting with any character. Then, go to the collection menu and buy costume 25 for 5,000 points. Note: Peter will have George's storyline and voice.
Play as policemen
To play as the cops outside of J's Bar (Raymond, Arthur, Aaron, and Dorean), successfully complete the "Outbreak" stage on the easy difficulty setting with any character. Then, go to collection menu and purchase costume number 14 for 5,000 points. Note: Raymond has Kevin's storyline and voice. Arthur has George's storyline and voice. Aaron has Mark's storyline and voice. Dorean has Goerge's storyline and voice.
Play as scholars
To play as scholars (scientists who gets shot in the head), successfully complete the "Below Freezing Point" stage on the very hard difficulty setting with any character. Then, go to the collection menu and buy costume 18 for 3,000 points. Note: They both have George's storyline and voice.
Play as UBCS
Successfully complete the "Decisions, Decisions" stage on the easy difficulty setting with any character. Then, go to the collection menu and buy costume 28 for 8,000 points. Note: UBCS 1 and UBCS 2 both have Kevin's storyline and voice.
Play as USS (Ussi)
Successfully complete all stages with all the characters on any difficulty setting with any character. Then, go to the collection menu and buy costume 29 for 5,000 points. Note: He has Kevin's storyline and voice.
Alyssa's alternate costumes
Find Alyssa's character-specific special items. The costume will be available in the collection menu for 10,000 points when all items are collected. To unlock her second alternate costume, collect all of her alternate character-specific special items: high heels, deep red rouge, and deep red dress. The items are randomly placed so they are more difficult to get. This costume will be available in the collection menu for 30,000 points when all of her second special items are collected.
Cindy's alternate costumes
Find Cindy's character-specific special items: white underpants, sandal, cool sunglasses, light blue shirt. This costume will be available in collection menu for 10,000 points when all items are collected. To unlock her second alternate costume, find her secondary special items: bunny cuff, bunny bow knot, bunny tights, bunny ears, bunny high-heel, adult rouge, and bunny neck tie. This costume will be available in the collection menu for 30,000 points when all of her secondary special items are collected.
David's alternate costume
Find David's character-specific special items: leather pants, shirt, leather jacket, leather shoes, and stern pendent. The costume will be available in the collection menu for 10,000 points when all items are collected.
George's alternate costume
Find George's character specific special items: pants, sunglasses, yellow parka, outdoor shoes, and brown inner clothes. The costume will be available in the collection menu for 10,000 points when all items are collected.
Jim's alternate costume
In order to play as Jim as a basketball star, collecting all of his character-specific special items: white tank top, rare basketball shoes, basketball uniform, signed ball, and basketball pants. The costume will be available in the collection menu for 10,000 points when all items are collected.
Kevin's alternate costume
In order to play as Kevin as a rugged cowboy type, you need to find his character-specific special items. They are as follows: western shoes, pure white T-shirt, cigar, faded color good G-pants, cowboy hat, and leather belt. The costume will be available in the collection menu for 10,000 points when all items are collected.
Mark's alternate costume
Find Mark's character-specific special items: brown belt, 3/4 pants, polo tee, and sneakers. The costume will be available in the collection menu for 10,000 points when all items are collected.
Yoko's alternate costume
Find Yoko's character-specific special items: lovely sneaker and green dress. This costume will be available in the collection menu for 10,000 points when all items are collected. Note: She has four costumes.
Alyssa's character collage
Successfully complete any three scenarios with Alyssa. You can now unlock her collage for 500 points.
Cindy's character collage
Successfully complete any three scenarios with Cindy. You can now unlock her collage for 500 points.
David's character collage
Successfully complete any three scenarios with David. You can now unlock his collage for 500 points.
George's character collage
Successfully complete any three scenarios with George. You can now unlock his collage for 500 points.
Jim's character collage
Successfully complete any three scenarios with Jim. You can now unlock his collage for 500 points.
Kevin's character collage
Successfully complete any three scenarios with Kevin. You can now unlock his collage for 500 points.
Mark's character collage
Successfully complete any three scenarios with Mark. You can now unlock his collage for 500 points.
Yoko's character collage
Successfully complete any three scenarios with Yoko. You can now unlock her collage for 500 points.
Secret FMV sequence
On the stage "Below Freezing Point" there is a secret FMV sequence. To view it, you must do the following. After using the V-Jolt on the plant go up to level B-4 (skip level B-5 for now). Once on B-4, go past the frozen Hunter and pick up the herb and pipe in the back. Then, go back to level B-6 (again skipping level B-5) and enter the keycodes into the main computer system. Make sure to enter the word "HOPE". Then, go to level B-5 and go through the vents. Be careful as a zombie will be here on the normal, hard, and very hard difficulty settings. Once through, go to the key panel, open the shutter, and enter the computer room. Then, enter your fingerprint into the computer. Finally, go back to level B-4 and go through the only open door. If done correctly, you will unlock the secret FMV sequence of your character getting attacked by the giant moth. Note: After the FMV sequence ends, you will be back in the computer room attached to the wall, and you must struggle to get out. This will cause your health to be in "Poison" status.
Defeating giant leech
On The Hive level, the Boss will be a giant leech. To kill it easily, make it chase you back to the start, where you first get on the boat. Once there, hop out of the water and shoot him (if you have ammunition). If you do not have ammunition you can use the steel pipe, broom, crutch, or knife to kill him. If you are using the knife, you can either hop back in, stand in front of the giant leech, then stab; or you can stand out of the water and use the knife. When you stand outside of the water you will not be able to hit the giant leech until it lifts up its head. You must then stab quickly; you should be able to get two or three stabs. If you are in the water fighting the giant leech, you can get a few good swings at it, but be careful -- it only shoots acid when it is stuck there. It also swings its head back and forth causing damage to your character. Note: Though this is a very easy way to kill the giant leech, you must also watch your partner's health. Your partner can die from the giant leech, and if that happens your partner will turn into a leechman.
Defeating Hunters
To kill Hunters easily, you can use a Magnum or do a team attack (this works offline and online). To use the team attack against the Hunters, have two people wait and have one as a decoy. For example, on the stage they appear on "Below Freezing Point", when you are in the West Passage area and the Hunter breaks free from the ice, it will stand there for a few seconds. Have two people wait around the corner and have one person run down the hall and back up towards the Hunter (not all the way in the doorway where the Hunter is located). Make enough room for him to pop out and around the corner. Once he is around the corner, have the two people who are waiting quickly run up and either start shooting or hitting it. The Hunter will have nowhere to go or have a chance to make an attack. This method works only for the stage "Below Freezing Point". Note: The only way you can get a Magnum is if you are playing as Yoko. Yoko gets the gun from a friend in the game, none of the other characters can get this gun.
Stopping your virus meter
There are two ways to stop your virus meter from going up. The first way is to use the Anti-Virus Pill. This will stop the meter until you are attacked again. The other way is to use a Red Herb. This will stop the meter for a few minutes.
Earn more points at the end of stages
To earn more points at the end of stages, follow some of these steps:
Using the hiding feature
Try the following tricks to use the hiding feature to your advantage. Note: Do not to talk, look at your map, or open your menu screen, as this will blow your cover and the zombie or other monsters will cause damage to your character.
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