This page contains Cheats for Biohazard 4 organized by sections for PC - Windows. Biohazard 4 is a Action Adventure Horror game, made by Capcom, released on May 15, 2007 and published by Ubisoft. If you can't find a hint or secret in our list, then please check this page periodically for the latest updates.
All weapons are only available from the 2nd Round....From: hennessy13
Mecenaries Characters, Extras and Costumes:...From: mucks
You have to finish Assignment Ada and watch the credits. They will be in gray scale. However, if you select "Yes" when asked "Watch the ending movie again?", it will be replayed in color in a smaller frame. If you watch it once more when prompted, it will play is full wide screen color. They will alternate each time you choose t...From: Rueuudh
Beat the game to unlock the Separate Ways and Mercenaries-mini-games; the Professional difficulty setting; the Leon's Raccoon City Police Department costume, Ashley's pop star costume, and Ada's black costume; the Mathilda handgun and Infinite Rocket Launcher for purchase (for 1 million Pesetas), and the Tactical Vest (for 60,000 Pesetas); and an a...From: shaz304
To unlock the following, you have to play the game and collect/Earn achievements. You can find those earned achievements in your Game-Mainmenu or you can view them if you signup at one of the Steam communities....From: bingo
After you kill the hatchet guy as soon as you start the game, go upstairs to the window. Do not jump out. Instead, take out your pistol and shoot the glass out. Then, carefully aim for the villagers' heads that are awaiting outside. There are three of them. If you kill all three, you can jump out and avoid any damage....From: tomtom1098
In terms of power, the Red 9 is the most powerful handgun. It has about power 6 or 8 when you get the exclusive upgrade for it. It has decent speed, and good capacity (20 rounds full upgrade). The Punisher is good for crowd control because of the penetrating rounds, but otherwise use the Red 9. The normal 9mm Handgun in the beginning is average, al...From: Janiexxo
Once you gain access to the tunnel with the merchant beyond Pueblo, return to the farm area and wait for the chickens there to lay eggs. Exit and re-enter to begin the same process over again. After you fill your inventory, you can return to the nearby merchant to sell your eggs. White chicken eggs sell for 300 Pesetas, brown eggs for 600 Pesetas, ...From: MC Frogy
Get a five star rank with all mercenaries to unlock the Handcannon weapon. To get unlimited ammunition for it, fully upgrade all of the Handcannon's options. Successfully complete the game two times. The Handcannon will be available as soon as you start the game again for 0 Pesetas. It is a very powerful magnum, and will have unlimited ammunition. ...From: GagedyedgeWag
Toss a flash grenade in the center of a group of birds. All of them will die instantly, leaving lots of Pesetas. This also works with the Granadas when their heads are transformed....From: sadistic-otaku
Remain idle at the title screen. Eventually two trailers will begin playing and begin to cycle....From: NadydayAddend
After defeating Del Lago (crocodile), after the intermission sequence, go back across the lake where you got the boat. Head up the trail. An intermission sequence should begin. Leon will be surrounded by wolves. Note: You can also go back that way and fight El Gigante, but you must go all the way back to get the Insignia for the church....From: k_rel
The best way to complete the game in Professional mode is to first complete the Separate Ways mini-game. You should unlock Special Costume 2, where Leon is a gangster and Ashley is in a suit of armor. Choosing this costume makes Professional mode a lot easier. Ashley cannot be injured or carried away. Use her for bait when needed. At least half the...From: jasonl0l
The main monsters to look out for are the two chainsaw ladies on stage 1. Once you kill them, they keep coming back. On stage 2 and 3 be careful of the guys with the chain guns. On stage 4, there is a super chainsaw man. He is bigger than the normal one and has a twin bladed saw. He is almost impossible to stop. He does not climb ladders. He jumps ...From: redhotaz
When you unlock and start a new game with the second pair of costumes (Leon's gangster and Ashley's armor), watch Leon as he tries to catch Ashley whenever you need her to come down from a raised platform or ladder. He will fall on the ground on one knee, and as he comes up from the ground, he grabs his back in pain....From: vivianswhite
When you are walking in the room in the village, you will see an intermission sequence where the chief chokes Leon, but then lets him live because he has the same blood as them. After it ends, go back in the same room where he just choked you. He will pop out from behind and step on you. Then, he gets shot with two bullets. When he turns around, Ad...From: Charlesz
When Leon is being choked, he will be told that he has the same blood. Leave the room, then return. You will be choked again by same person, only this time Ada comes to the rescue....From: merk458
At the end of the game, as Leon and Ashley fall into the water on the speedboat, you can see a rainbow for a few seconds....From: SarahMarie777
Look out for crows. They sometimes drop valuable items and are usually found in groups. To kill crows, shoot them from a distance. If you are close and there are other crows nearby they will fly away. An easier way to kill a group of them is to toss a flash grenade into their midst and watch the items drop....From: WagaBongoNow
When buying upgrades for your gun, always look at your gun information beforehand. For example, if your gun has a gunpower of 10.8 and you see that the upgrade reads lvl 2 --> 10.5, you are basically losing out and wasting money....From: donald_spyder26
This trick really only works up until you get to the castle where the enemies get stronger. The easiest way to save ammunition is to use your knife frequently. Most of the enemies have knives, axes, pitchforks, all sorts of melee weapons. Instead of trying to shoot them, just step back from the attack so that they stumble. You will get the command ...From: AC girl
Wait until you are low on ammunition before upgrading a gun. The replacement gun will always have a full clip, giving you extra bullets that otherwise may be difficult to find....From: diddydarcy
There are many locks on doors. Instead of shooting the locks and wasting ammunition, pull out your knife and cut it off. The same can be done for boxes....From: rotnub
To avoid getting into close-quarters situations, especially with dynamite-toting Ganados about, wait you are just out of sight at the top of the ladder before jumping down if there are any enemies close by. Usually they will attempt to climb the ladder to wherever you are. Once they reach the top, it takes a moment for them to get off the ladder. P...From: Sopranosbaby
When running around different areas of the village, you will see crows. Pick them off from a distance as to not scare the others away. They usually drop Pesetas. Note: If you scare some away, just re-enter the area to reset their position....From: Dackis
You can kill the merchant at any time in the game. Under the normal difficulty setting, he just dies then comes back at the next place, or when you leave the room and come back in. However, under the professional difficulty setting, once he dies, he remains dead. When you see the merchant and his eyes are glowing red, you can take the mine thrower ...From: nightmare
If you plan to sell two or more herbs or other items that can be combined, combine them first and do not sell them separately. This will result in a small boost in the total selling price when compared to what it would have been if you sold them separately....From: zhoujinfu11
In terms of power, the Red 9 is the most powerful handgun. It has about power 6 or 8 when you get the exclusive upgrade for it. It has decent speed, and good capacity (20 rounds full upgrade). The Punisher is good for crowd control because of the penetrating rounds, but otherwise use the Red 9. The normal 9mm Handgun in the beginning is average, al...From: Nintendawg00
It is possible to find ammunition for the Mine Thrower. Kill any normal enemy with the Mine Thrower to yield one dart for ammunition....From: Wanderer
There are three types of eggs, white, brown, and golden. Collect these, equip them, and fire on Ashley. They will not harm her and it is funny. Aim from a distance to get used to them. They are lighter than a grenade and fly far when thrown. Note: She will duck when in close proximity....From: Kevro123
If you want the secret treasures in the areas, go to the merchant and buy the treasure map. Check the map. The treasures will displayed as a star. If you cannot see them while you are standing by an star, check around and look for something sparkling. Then, shoot it and grab your treasure....From: babydoll42762
Before you fight Del Lago, walk onto the dock where the speedboat is found. You can fire at Black Bass. Take the boat out to recover them. However, be careful; if you fire too many shots Del Lago will eat you at the end of the dock....From: tex1331
While at the beginning after killing the man with the axe, run up the stairs. Do not jump out. Turn around and get the handgun bullets. Then, shoot the window until it breaks. Try to kill the two men outside of the window. If you do not kill them, they will run to the front door. After that, run back down the stairs and you should see a window. Div...From: DarkStriker
Once you gain access to the tunnel with the merchant beyond Pueblo, return to the farm area and wait for the chickens there to lay eggs. Exit and re-enter to begin the same process over again. After you fill your inventory, you can return to the nearby merchant to sell your eggs. White chicken eggs sell for 300 Pesetas, brown eggs for 600 Pesetas, ...From: nonikim
In the area where Ashley is carried away by the flying insects, you can destroy the nest that is hanging from the ceiling. After it is destroyed, you will find a lot of green and red eyes, and if you are lucky, even a blue one. This is a good way to get the Butterfly Lamp filled with all three jewels early so that you can get some extra money for u...From: Church
Soon after the farmhouse, look around to collect some ammunition and buy more items. After that, go to an opening where you see a lever. Go up to it and switch it to the right to fight El Gigante (recommended) or switch it to the left to face more chainsaw wielding villagers (extremely difficult). If you select to fight El Gigante, aim at the rock ...From: hobo
Use the following trick to get an easy five star rank. In the village, there is a barn. It was blocked in the main game. This is best donw with Wesker. First, collect all the time and ammunition and go in the barn. Get the time, climb the ladder, and knock it down. Get the point increase. By now the Ganados should be in, including the Bellas. When ...From: rcp225
In the area where the room is filled with lava, enemies will appear on pillars with horses that shoot fire at you. Instead of waiting for a clear shot to shoot the man on the pillar, simply shoot at the chain that is holding the pillar. If one of the chains breaks, the entire pillar will fall. This makes it easier to get through the room. If you qu...From: ssjfosso
If you are in the castle and have passed the sequence where spikes come down to you, shoot the red lights. After that, you will be in a big room with a giant flying insects nest. A sequence will begin where one flying insect captures Ashley from you. In the middle of the room hangs a big nest of them. Shoot the nest with two magnum bullets. A seque...From: godkira7
At the start of the game, before you enter the house, go to the side of it and break the window with your knife. After you kill the villager, run up the stairs, get the ammunition, run back down, and jump through the window you broke earlier to get outside without getting ambushed. Note: If you are noticed immediately for any reason (for example, f...From: mactank99
Zealots are the hooded Ganados in the castle area. They are tough, and take more punishment than your average Ganado. Watch out if the parasite in them pops out of their heads. They have a nasty habit of chomping your head off in a single bite when they get close. Otherwise, use the shotgun at close range and blast off their heads. Alternately, use...From: PakLover
To do this, you must fill the entire Firepower, Firing Speed, Reload Speed and Capacity of the weapon. When you shoot a Ganado or a Los Luminados, one shot will kill them. Note: The same happens with the Chicago Typewriter....From: demologik
If you are observant, you can actually see that the Handcannon fires in spreads of four bullets. The best place to see this is to take the Handcannon and go to the lake where you face the Del Lago Boss. Take out the Handcannon and fire into the water from the high cliff on the left. When the bullets hit the water, you will see four splashes. This i...From: Rueuudh
Play as Leon. Enter the pueblo to the right of the building that in Story mode has the shotgun. Get the extra time and climb the ladder. Get the bonus kill points for every kill and kick the ladder. Wait for a lot of Ganados to enter. Before the bonus time runs out shoot the barrel. The Bella sisters should appear. Kill them and run out into the ho...From: halo123
Complete the mercenaries mode with a 5 star ranking with all five characters to unlock hand cannon. Don't waste your points for upgrading any other weapon, upgrade the hand cannon and after its exclusive you will get a fire power of 99.9 and unlimited ammo's. Complete the another order mode to unlock gangster costume for leon because in this ashley...From: The Gaming King
Here I found a trick that we can avoid the plagas. For the villagers shoot their head with handgun and then use"kick", this will avoid the plagas. When you in the castle and Island kill the castellers and Islanders by using "suplex", this will avoid their plagas. Sometimes the plagas will come from their head, when the plagas co...From: solomon
If you have both Infinite Launcher and a Single fire Rocket Launcher equip any of these. If you have only the Infinite launcher equip it. Or if you have the single fire Rocket Launcher equip it then target Chief Mendez then fire it. Then he is cut into half. If you have infinite launcher then fire on him again. He will die. If you have Chicago Type...From: Hari
In the island where the islanders shoot using the gatling gun in the house. Below the house there is a ladder going down. You may get the jump down option. You should jump down. There are two tents there. In one of two tents there is a gold bar of money-5000. It is not a selling item. It is money....From: Hari
Broke the door in which leon is droped down by salazar in this room you get 999 ammo of magnum....From: Avi
If you happen to shoot a ganados, los illuminados or whatever and a plagas pops out, the easy way to kill it is to throw a flash grenade....From: nik
This garrador is the easiest of all the others, if you only have a hand grenade. Now, first throw the grenade near the door just after the cutscene is triggered. And then, quickly get out of the cage, turn left and move to the other door. Kill the zealot, blocking the path as quickly as possible. Now look at the garrador! Shoot the plagas with any ...From: Cheater
When krauser transforms use the TMP and shoot him at the legs but the TMP is upgraded well when he removes his arm take your knife and keep knifing on his face eight to ten times then krauser is dead....From: Wasim,bellary
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How to unlock the door when it has a high security in ch5-4 and livers on both the sides...
Posted on: 06-16-2014
How to unlock sacrifice of six lives shall make way the true path ....
Posted on: 03-22-2014
How to find a way from castle garden....
Posted on: 03-17-2014
How i can enter the door when the condition is door is high security locked....
Posted on: 03-01-2014
Where do I go after finding the women with red dress in castle? All doors sims to be locked....
Posted on: 02-13-2014
How to unlock the door that contains the figure of dog in the castle?...
Posted on: 07-19-2013
What is the separte way? I coudn't find it on the game. plz tell whats that...
Posted on: 06-21-2013
How do i go through this part of 3 family insignias of the dead ringers...
Posted on: 04-04-2013