Multi-player costumes:
Unlock the following costumes by reaching the corresponding levels by playing online ranked matches:
COSTUME – LEVEL
Basic costumes – Level 1
Third pattern for basic costumes – Level 10
Third pattern for Gale – Level 50
Third pattern for Hero – Level 80
Third pattern for NEVEC – Level 65
Third pattern for Stranger – Level 35
Fourth pattern for basic costumes – Level 20
Fourth pattern for Gale – Level 60
Fourth pattern for Hero – Level 85
Fourth pattern for NEVEC – Level 70
Fourth pattern for Stranger – Level 40
Multi-player characters:
Unlock the following characters by reaching the corresponding levels by playing online ranked matches:
CHARACTER – LEVEL
Gale – Level 45
Hero – Level 75
NEVEC – Level 55
Stranger – Level 30
Cinematic mode:
Successfully complete the game under the Easy or Normal difficulty setting. Select “New Game” in single player mode then hold Y button while answering the questions (Do you want erase your old campaign, etc.) to see the movies.
Resident Evil 4 camera view:
Hold [Ctrl] (Crouch) and press [Left]. Repeat the code to disable its effect.
Wide camera view:
Hold R (Reload) and press [Left]. Repeat the code to disable its effect.
Extreme difficulty:
Successfully complete the game.
Defeating the giant moth:
First, gather up as much thermal energy as possible. On your way up the mountain make sure to destroy all of the Akrid hives. Get the rocket launcher on the metal slab jutting out of the mountain. You can also grab the large VS laser if you want a back up. Next, climb to the top of the mountain but do not go into the cave. Stand at the top and wait for the moth to fly over you. Aim at the orange weak spots then shoot the tail part with your rocket launcher about two times. After the tail falls off do the same to the wings. A few more weak spots should appear near the top of his head. These are easier to hit with a charged laser shot. When the moth crashes into the side of the mountain the achievement will not appear. However you will bet it after you complete the mission.
Crossing The Plains: Defeating the giant worm:
Gather as much thermal energy as possible before you fight the worm. To get more thermal energy, destroy the surrounding heat tankards and activate the outpost. If you need more thermal energy, just kill the surrounding flying Akrid and their spawn points. Get a sled VS and attach either a rocket launcher or gatling gun (recommended). Ride it just to the entrance of the Snow Plain. If you ride it any further the worm will knock you off and destroy the VS. Once you get off the sled VS, take off the weapon you brought with you. The gatling gun is recommended because if you miss you can adjust your aim and keep shooting him unlike the rocket launcher. Wait until he emerges from the snow and be ready for him to either growl or charge at you. If he charges and hits you, you are dead. You can either roll to the left or right. After the roll aim at his sides and you will see several weak points. Shoot at them until they explode and reveal a reddish boil. Continue to do this until they are all gone then switch sides. Once he is hurt enough he may start shooting flaming balls that explode from his backside. Be ready to evade them. Once again you will see more weak points. Do the same thing as done with his head side and he will eventually die. When he dies he will leave behind a large deposit of thermal energy. The worm will re-appear no matter how many times you kill it. Also the achievement for killing it will not appear until you complete the level.
Thermal Energy Deposit: Defeating the giant worm:
When the worm comes out of its hole, shoot its tentacle-like arms. At the end of each arm should be claw-like hands. Shoot the claws. If done correctly they should start turning red. Keep firing at them and they will snap off. When it snaps, the worm will go back in its hole. Run inside after it, but stop at the edge or you will fall in the lava. Look around to find the body of the beast. Look closely and you will see a big eyeball-like thing wiggling around. Shoot it until goes in, then the arm that snapped will regenerate and come back out. Shoot the arm and when it snaps, go back in and shoot it again. When the arm stops coming out go for the other arm and repeat this process. Note: If you have a rocket launcher, use that and the battle will be a lot faster.
VS invincibility:
If you are taking heavy fire and would like to replenish your health (if you have the thermal energy) hop into the nearest VS. While it is doing the startup animation, you will be invincible for about five seconds.
Constant VS fire:
In order to do this trick you must have a VS with two empty arms as well as two Gatlin guns. Attach both guns to each side of the VS and fire only one of the guns a few times. Then, start firing the second gun. If done correctly, one of the guns will reload while the other is firing and repeat, causing the guns to never stop firing until you run out of bullets or manually reload. This works well against any Akrid Boss, especially the one in Mission 05.
Getting rid of pursuers:
If you have alot of Akrid or other things after you while riding the sled VS do a boost jump. While riding around you can also jump snow piles and get air.
Easier slashes:
Charge it up. When you get close to whatever you want to hit, just release it for a hit. This is easier than pressing it at the spur of the moment, because it sometimes misses.