Resident Evil 5 Cheats

Completed Chapter 3 - 2 (15): Complete Chapter 3 - 2 on any difficulty setting.
Completed Chapter 3 - 3 (15): Complete Chapter 3 - 3 on any difficulty setting.
Completed Chapter 4 - 1 (15): Complete Chapter 4 - 1 on any difficulty setting.
Completed Chapter 4 - 2 (15): Complete Chapter 4 - 2 on any difficulty setting.
Completed Chapter 5 - 1 (15): Complete Chapter 5 - 1 on any difficulty setting.
Completed Chapter 5 - 2 (15): Complete Chapter 5 - 2 on any difficulty setting.
Completed Chapter 5 - 3 (15): Complete Chapter 5 - 3 on any difficulty setting.
Completed Chapter 6 - 1 (15): Complete Chapter 6 - 1 on any difficulty setting.
Completed Chapter 6 - 2 (15): Complete Chapter 6 - 2 on any difficulty setting.
Completed Chapter 6 - 3 (15): Complete Chapter 6 - 3 on any difficulty setting.
Crowd Control (15): Defeat 30 enemies with the Gatling gun.
Drive By (30): Stop an armored truck by taking out the driver.
Egg Hunt (15): Find all 4 types of eggs.
Egg on Your Face (15): Defeat a Majini with a rotten egg.
Exploding Heads (15): Pull off 20 headshots.
Fireworks (15): Shoot an enemy Molotov cocktail, dynamite stick, or hand grenade.
Get Physical (15): Defeat 20 enemies with physical attacks.
Go into the Light (15): Defeat 2 enemies with one flash grenade.
Heart Stopper (15): Defeat a certain enemy by stabbing it in the heart.
Lead Aspirin (30): Defeat a Majini with a headshot while it's jumping.
Lifeguard (15): Save partner 10 times when DYING is displayed.
Masters of Removing (15): Work together to save someone special.
Meat Shower (15): Defeat 3 Majini with one grenade or proximity bomb.
Recruit (15): Complete all chapters on Amateur.
Ride the Lightning (15): Defeat a Majini using the electric current from a transformer.
Soldier (15): Complete all chapters on Normal.
Stockpile (30): Obtain all available weapons.
Stop, Drop, & Roll (15): Defeat 3 Majini at once by setting oil canisters on fire.
Take It to the Max (30): Completely upgrade all weapons.
The Works (15): Chain the maximum number of combos together in one go.
They Belong in a Museum (30): Obtain all treasures in the game.
They're ACTION Figures! (30): Collect all the figurines.
Veteran (30): Complete all chapters on Veteran.
War Hero (70): Complete all chapters on the most difficult setting.
Who Do You Trust? (30): Build up a certain level of trust with your partner.

Clear Game Bonus
Classic Horror Filter: Beat the game on Amateur difficulty
Infinity ammo: Beat the game once
Mercenaries: Beat the game once
New Game+: Beat The Game Once
Play as Sheva: Beat the game once
Professional mode: Beat game in Veteran mode
Retro Filter: Beat the game on Normal difficulty

Mercenaries Mode Characters
Chris (S.T.A.R.S.): Get an A rank on Experimental Facility
Chris (Safari): Get an A rank on Village
Jill (Battle Suit): Get an A rank on Ship Deck
Jill (BSAA): Get an A rank on Public Assembly
Sheva (Clubbin'): Get an A rank on Ancient Ruins
Sheva (Tribal): Get an A rank on Missile Area
Wesker (Midnight): Get an A rank on Mines
Wesker (S.T.A.R.S.): Get an A rank on Prison