Unlock PRL 412
Clear Leon's Story on Professional difficulty to unlock the PRL 412 weapon. It has two settings -- stun and kill (just like Star Trek) which you may determine by holding or tapping the fire button. It has infinite ammunition.
Unlock Thompson Gun
To unlock the Thompson Submachinegun, clear Leon's story mode on any difficulty and complete Ada's story mode Separate Ways. Purchase it from the Roma merchant when playing a new game plus.
Ada can also have the weapon available for her own side-story mission Assignment Ada by clearing that particular mode once. Speak with the Roma merchant to access it.
Unlockable Costumes And Gameplay Modes
Clear the main game on any difficulty to unlock the following:
Separate Ways Mini-Campaign
Alternate costumes for Leon, Ashley, and Ada Wong
Exclusive Weapon Powers Stats
Each weapon has a special exclusive power when all of its stats are custom tuned to the maximum:
Handgun - Increases the chance of a headshot being fatal by a factor of five (5% or 20%, take your pick).
Punisher - Each bullet can penetrate up to five bodies.
Red 9 - Increases firepower to 5.0.
Blacktail - Increases firepower to 3.4.
Matilda - Increases magazine capacity to 100.
Shotgun - Increases the effective damage range of the gun.
Riotgun - Increases firepower to 10.0.
Striker - Increases magazine capacity to 100.
Rifle - Increases firepower to 18.0.
Semi-auto Rifle - Decreases firing speed to 0.40 seconds.
Broken Butterfly - Increases damage to 50.0.
Killer7 - No exclusive power!
TMP - Increases firepower to 1.8.
Minethrower - Adds homing ability to mines and increases their blast radius.
Clear the Separate Ways mode to unlock more costumes for Leon and Ashley.
Leon's Throne Easter Egg
Leon may sit in the red throne after the laser hallway by inspecting it. Nothing interesting occurs, but it makes for an interesting screenshot.
Mercenaries Mode Unlockables
Beat each level of Merceneraies with a specific amount of Stars in order to unlock special features.
Ada - Beat the Pueblo level with a four star rank.
Albert Wesker - Beat the Waterworld with a four star rank.
Handcannon - Get five stars on all levels with all the characters.
Hunk - Beat the Commando Base with a four star rank.
Jack Krauser - Beat the Castle with a four star rank.
More Resident Evil 4 Unlockables
Alternate Title Screen - Complete the main game once.
Ashley's Knight Armor Outfit - Beat Seperate Ways
Chicago Typewriter (Main Game) - Beat Seperate Ways
Chicago Typewriter (Seperate Ways) - Beat Assignment Ada
Handcannon - Have each mercenary get a five star rating on all of the stages.
Infinite Rocket Launcher - Beat the game once.
Leon's Gangster Outfit - Beat Seperate Ways.
Matilda - Beat the game once.
Mercenaries - Beat the main game once.
Movie Browser - Beat the game.
P.R.L 412 - Beat Professional Mode.
Plagas Laser Cannon - Beat the game on Professional Difficulty.
Professional Difficulty - Beat the main game once.
Seperate Ways (Ada's Bonus Game) - Beat the main game once.
Special Clothes (for Leon, Ada, and Ashley) - Beat the main game
Have Another Cheat or Hint?
If you have another cheat or hint for this game, or any other game we do not have listed send it in.