Register online at the Rockstar Social Club, then sync your DS with your account through WiFi. 'Deadly Xin' mission: Unlock the Diamond Pillbox, Golden Binoculars, Jeweled Bong, Jeweled Key To The City, Platinum Syringe, Silver Titanium Briefcase, and Wooden Spoon trophies. Successfully complete the indicated task to unlock the corresponding mission: While playing the game, press Up, Down, Left, Right, Y, B, R, L. While playing the game, press Up, Down, Left, Right, B, Y, R, L. While playing the game, press Up, Down, Left, Right, A, X, R, L. While playing the game, press Up, Down, Left, Right, Y, A, L, R. While playing the game, press Up, Down, Left, Right, X, Y, L, R. While playing the game, press Up, Down, Left, Right, B, X, L, R. While playing the game, press Up, Down, Left, Right, A, B, L, R.

Note: This code only decreases the wanted level by one star and must be repeated until it is completely removed. While playing the game, press R, X(2), Y(2), R, L(2). While playing the game, press L(2), R, Y(2), X(2), R. While playing the game, press L, R, X, Y, A, B, Up, Down. While playing the game, press R, Up, X, Down, Left, R, X, Right to unlock the rocket launcher, stubby assault rifle, baseball bat, Desert Eagle pistol, mini SMG, stubby shotgun, and flashbang grenades. While playing the game, press R, Up, Y, Down, Left, R, Y, Right to unlock the big flamethrower, chainsaw, revolver, assault rifle, SMG, double barrel shotgun, and proximity mines. While playing the game, press R, Up, A, Down, Left, R, A, Right to unlock the mini flamethrower, taser, dual Desert Eagle pistols, assault rifle, SMG, double barrel shotgun, and Molotov cocktails. While playing the game, press R, Up, B, Down, Left, R, B, Right to unlock the minigun, nightstick, Desert Eagle pistol, stubby assault rifle, mini SMG, stubby shotgun, and grenades. Note: Enabling this code while in a vehicle will also repair all of its damage. While playing the game, press L(2), R, A(2), B(2), R. While playing the game, press L(2), R, B(2), A(2), R. Note: Enabling codes disables the autosave feature. If you entered the code correctly, you will hear a sound. Enter one of the following codes while playing the game and outside of a safehouse.

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