13 cheat codes for Resident Evil 4 on Multi-Platform.
Infinite-ammo Rocket Launcher from The Merchant in the cleared-game (NG+) shop. The single most expensive unlock.
Beat the main game once, then buy it for 1,000,000 PTASComplete the listed challenge, then buy the item from The Merchant in a NEW GAME+ (cleared-game) save. Prices in pesetas (PTAS).
Infinite-ammo Tommy gun for the main game's NG+ shop (1,000,000 PTAS). GameCube owners need Assignment Ada; later ports get it by clearing Separate Ways. (Clearing Assignment Ada also unlocks it for Separate Ways' shop at 300,000 PTAS.)
Beat Assignment Ada (GameCube) or Separate Ways (PS2/Wii/PC/HD)Complete the listed challenge, then buy the item from The Merchant in a NEW GAME+ (cleared-game) save. Prices in pesetas (PTAS).
Free (0 PTAS) in the cleared-game shop. Fully tuning it (~790,000 PTAS) and buying its Exclusive upgrade gives INFINITE ammo - a 12-gauge hand cannon.
Earn 5-star rank (60,000+ pts) on ALL Mercenaries maps with ALL 5 charactersComplete the listed challenge, then buy the item from The Merchant in a NEW GAME+ (cleared-game) save. Prices in pesetas (PTAS).
Charged-particle laser cannon with infinite ammo as-is; its Exclusive upgrade adds a blast too strong for most enemies. Not present on GameCube.
Beat the main game on Professional (PS2/Wii/PC/HD ports)Complete the listed challenge, then buy the item from The Merchant in a NEW GAME+ (cleared-game) save. Prices in pesetas (PTAS).
Three-round-burst pistol in the NG+ shop. Its Exclusive upgrade raises capacity to 100 (it does NOT gain infinite ammo).
Beat the main game once, then buy for 70,000 PTASComplete the listed challenge, then buy the item from The Merchant in a NEW GAME+ (cleared-game) save. Prices in pesetas (PTAS).
Ashley becomes an invulnerable suit of armor (knights can't grab/carry her); Leon gets the 1940s gangster outfit.
Beat Separate Ways once (PS2/Wii/PC/HD ports)Complete the listed challenge, then buy the item from The Merchant in a NEW GAME+ (cleared-game) save. Prices in pesetas (PTAS).
Leon in his RPD uniform, Ashley in her pop-star costume (costume set toggles per playthrough).
Beat the main game onceComplete the listed challenge, then buy the item from The Merchant in a NEW GAME+ (cleared-game) save. Prices in pesetas (PTAS).
Time-attack score mode: 5 characters, 4 maps, ranked by points.
Beat the main game once (any platform)Complete the listed challenge, then buy the item from The Merchant in a NEW GAME+ (cleared-game) save. Prices in pesetas (PTAS).
Play Ada's side of the story - the route to the Chicago Typewriter and costume set 2.
Beat the main game once (PS2/Wii/PC/HD ports)Complete the listed challenge, then buy the item from The Merchant in a NEW GAME+ (cleared-game) save. Prices in pesetas (PTAS).
Steal 5 Plagas samples - on GameCube this is the route to the Chicago Typewriter.
Beat the main game once (GameCube/Wii/HD ports)Complete the listed challenge, then buy the item from The Merchant in a NEW GAME+ (cleared-game) save. Prices in pesetas (PTAS).
Famous exploit (~1.5x speed) used in speedruns: with the Striker aimed, open the inventory right before the laser sight shows and switch to another gun. Resets after cutscenes. Works on 2005-era versions.
Equip the Striker, aim, open the inventory BEFORE the laser sight appears, switch weaponsComplete the listed challenge, then buy the item from The Merchant in a NEW GAME+ (cleared-game) save. Prices in pesetas (PTAS).
Cleared saves get a different title-screen presentation.
Beat the main game onceComplete the listed challenge, then buy the item from The Merchant in a NEW GAME+ (cleared-game) save. Prices in pesetas (PTAS).
After clearing the game, start a NEW GAME on the cleared save - The Merchant now sells the unlockables (Infinite Launcher, Chicago Typewriter, Matilda, Handcannon) in the first shop. Professional difficulty (P.R.L. 412) is the no-purchase unlock.
Complete the listed challenge, then buy the item from The Merchant in a NEW GAME+ (cleared-game) save. Prices in pesetas (PTAS).