Uncharted 2: Among Thieves Cheats

20 Kills: Pistole (Bronze): Defeat 20 enemies with the Pistole
70 Kills: FAL (Bronze): Defeat 70 enemies with the FAL
70 Kills: M4 (Bronze): Defeat 70 enemies with the M4
50 Kills: Dragon Sniper (Bronze): Defeat 50 enemies with the Dragon Sniper
30 Kills: Moss - 12 (Bronze): Defeat 30 enemies with the Moss - 12
70 Kills: SAS - 12 (Bronze): Defeat 70 enemies with the SAS - 12
50 Kills: M32 - Hammer (Bronze): Defeat 50 enemies with the M32 - Hammer
30 Kills: RPG - 7 (Bronze): Defeat 30 enemies with the RPG - 7
200 Kills: GAU - 19 (Bronze): Defeat 200 enemies with the GAU - 19
30 Kills: Mk-NDI (Bronze): Defeat 30 enemies with the Mk-NDI
Triple Dyno-Might (Bronze): Defeat three enemies with one explosion
Grenade Hangman (Bronze): Defeat ten enemies with grenades by aiming while hanging
Bare-knuckle Brawler (Bronze): Defeat 20 enemies with hand-to-hand combat
Steel Fist Master (Bronze): Defeat 20 enemies with a single punch, after softening them up with gunfire
Thrillseeker (Bronze): Complete one Competitive Multiplayer game
Buddy System (Bronze): Complete one Cooperative Multiplayer game
Master Fortune Hunter (Silver): Find all 100 treasures
Survivor (Silver): Defeat 75 enemies in a row without dying
250 Headshots (Silver): Defeat 250 enemies with headshots
Bare-knuckle Slugger (Silver): Defeat 50 enemies with hand-to-hand combat
Bare-knuckle Expert (Silver): Defeat ten enemies in a row with hand-to-hand combat
Master Ninja (Silver): Defeat 50 enemies with stealth attacks
Steel Fist Expert (Silver): Defeat ten enemies in a row with a single punch, after softening them up with gunfire
Charted! - Easy (Silver): Finish the game in Easy Mode
Charted! - Normal (Gold): Finish the game in Normal Mode
Charted! - Hard (Gold): Finish the game in Hard Mode
Charted! - Crushing (Gold): Finish the game in Crushing Mode
Platinum (Platinum): Platinum

Free In-Game Money
In Uncharted 2: Among Thieves, upon opening the store you'll have the option to hit the Square button to check for Uncharted: Drake's Fortune save data. You'll obtain cash for having save data! This cash can be used in the single and multiplayer stores. Could be useful if you want a head start online!

$20,000 In-Game Cash: Have a saved game of Uncharted: Drake's Fortune.
$80,000 In-Game Cash: Have a saved game of Uncharted: Drake's Fortune with the story completed at least once.

Unlockable Skins
Complete the requirements to get the specified skin.

Genghis Khan Villain Skin: Beat Crushing Difficulty. Cost: 1,500,000
Marco Polo Hero Skin: Get the Platinum trophy. Cost: Free.

Crushing Mode
Crushing Difficulty: Beat the game on Hard difficulty to unlock.

Multiplayer Boosters
Boosters give your character more tools to use in multiplayer. To unlock them, you must reach certain levels (for the most part you unlock them every 2 levels), and have enough cash to purchase them in the multiplayer store. Be aware that there are two different booster slots; there are two different interchangeable sets of boosters.

Bandoleer (Booster Slot 2): Reach Level 4; Costs $2,000
Break Up (Booster Slot 1): Reach Level 10; Costs $11,250
Come Get Some (Booster Slot 2): Reach Level 58; Costs $2,000,000
Deposit (Booster Slot 2): Reach Level 40; Costs $98,250
Down the Irons (Booster Slot 1): Reach Level 14; Costs $18,750
Evasion (Booster Slot 1): Reach Level 50; Costs $210,000
Explosive Expert (Booster Slot 2): Reach Level 20; Costs $32,250
Fleet Foot (Booster Slot 2): Reach Level 16; Costs $23,250
From the Hip (Booster Slot 1): Reach Level 6; Costs $5,000
Glass Jaw (Booster Slot 1): Reach Level 56; Costs $1,500,000
Half Loaded (Booster Slot 2): Reach Level 54; Costs $400,000
Hell Blazer (Booster Slot 1): Reach Level 18; Costs $27,750
Invalid (Booster Slot 1): Reach Level 52; Costs $350,000
Juggler (Booster Slot 1): Reach Level 38; Costs $94,500
Keep Firing (Booster Slot 2): Reach Level 12; Costs $14,250
Launch Man (Booster Slot 2): Reach Level 28; Costs $58,500
Monkey Man (Booster Slot 2): Reach Level 32; Costs $72,000
Point and Shoot (Booster Slot 1): Reach Level 2; Costs $2,000
Rapid Hands (Booster Slot 1): Reach Level 42; Costs $111,000
Revenge (Booster Slot 2): Reach Level 48; Costs $134,250
Rocket Man (Booster Slot 2): Reach Level 44; Costs $120,000
Scavenger (Booster Slot 2): Reach Level 8; Costs $8,250
Scoped In (Booster Slot 2): Reach Level 36; Costs $87,000
Situational Awareness (Booster Slot 1): Reach Level 46; Costs $129,000
Sure Foot (Booster Slot 2): Reach Level 26; Costs $52,500
Sure Shot (Booster Slot 1): Reach Level 30; Costs $64,500
Treasure Bearer (Booster Slot 2): Reach Level 24; Costs $43,500
Turtle (Booster Slot 1): Reach Level 22; Costs $40,500
Veiled (Booster Slot 1): Reach Level 51; Costs $300,000
Walk Softly (Booster Slot 1): Reach Level 34; Costs $79,500

Unlockable Multiplayer Skins
In addition to the multiplayer skins that you start with, there are more that you can eventually use. These skins that can be purchased in the multiplayer store after reaching certain levels.

Cameraman Jeff: Reach Level 30; Costs $100,000
Doughnut Drake: Reach Level 60; Costs $2,000,000
Genghis Khan Villain Skin: Beat Crushing Difficulty. Cost: 1,500,000
Harry Flynn: Reach Level 20; Costs $50,000
Heist Drake: Reach Level 10; Costs $20,000
Heist Flynn: Reach Level 20; Costs $50,000
Karl Schafer: Reach Level 50; Costs $1,000,000
Lieutenant Draza: Reach Level 50; Costs $1,000,000
Marco Polo Hero Skin: Get the Platinum trophy. Cost: Free.
Skelzor: Reach Level 60; Costs $2,000,000
Winter Chloe: Reach Level 20; Costs $50,000
Winter Drake: Reach Level 40; Costs $250,000
Winter Elena: Reach Level 30; Costs $100,000
Winter Flynn: Reach Level 30; Costs $100,000
Zoran Lazarevic: Reach Level 40; Costs $250,000
Zorskel: Reach Level 10; Costs $20,000

Unlockable Multiplayer Taunts
These can be unlocked by reaching the proper levels in multiplayer. You then must go to the multiplayer store to purchase these.

"Flex" Taunt: Reach Level 20; Costs $50,000
"Flurry" Taunt: Reach Level 30; Costs $100,000
"Kiss" Taunt: Reach Level 10; Costs $10,000
"Pump" Taunt: Reach Level 53; Costs $500,000
"Yes" Taunt: Reach Level 40; Costs $250,000

Tweaks on a Difficulty you Haven't Finished
1. Start a game on a difficulty you haven't finished and go all the way until you have a real gun. 2. Go to in-game option and set the difficulty to one that you have the tweaks unlocked with. 3. Enable your tweaks. 4. "Save and quit" 5. Go to main menu option and set the difficulty back to the one you originally choose. 6. "Continue" the game.