In order to make use of the Grand Theft Auto 4 – The Ballad of Gay Tony game cheat codes for PS3 be sure to do the following:

During gameplay, press UP in order to display the cellphone. Press UP again for you to access the keypad. Once a code has been successfully entered, a new Cheats menu will appear on your phone which is located below Options. In this menu option, you can access the cheats without having to enter the phone number again. Be sure not to save the game after enabling a cheat code to prevent problems. Also take note that enabling some of these Grand Theft Auto 4 – The Ballad of Gay Tony game cheat codes may prevent you from unlocking achievements.

Grand Theft Auto 4 – The Ballad of Gay Tony Game Cheat Codes:
Spawn Floater boat – 9385550150
Spawn Akuma bike – 6255550200
Spawn Vader bike – 6255553273
Spawn Buzzard helicopter – 3595552899
Spawn Bullet GT – 2275559666
Spawn parachute – 3595557272
Weapons tier 1 – 4865550150
Weapons tier 2 – 4865550100
Weapons tier 3 – 4855550100
Spawn Jetmax – 9385550100
Spawn NRG-900 – 6255550100
Spawn Sanchez – 6255550150
Spawn FIB Buffalo – 2275550100
Spawn Comet – 2275550175
Change weather and brightness – 4685550100 (Repeat this code to cycle through four different settings.)

Unlimited Ammunition
You will need to obtain a 100% game completion.

Parachute
To unlock the parachute at your apartment, you will need to complete all base jumps.

Obtain Any Vehicle from Any Mission
During transport missions, there will be some vehicles such as boats, cars and planes that can only be used in that specific mission. Simply kill the person that is with you in the vehicle and the vehicle is yours.