Grand Theft Auto IV/Secrets

Grand Theft Auto IV contains several hidden features, cheats, perks and Easter Eggs. This page is an attempt to list them all.

Cell Phone Passwords
To use theses, pull up your cell phone in the game and dial the number. Some cheats will disable certain achievements. To re-enable these, you will need to load a savegame where these cheats were not used to continue gaining achievements. (Calling ZiT and getting song information does not disable achievements.)

Computer Passwords
To enter these, enter them in the URL on an in-game computer. This will not disable Achievements.

{|== Unlockables ==

Unlockables
! Unlockable ! How to unlock
 * Annihilator Helicopter
 * Kill all 200 flying rats.
 * Rastah Color Huntley SUV
 * Complete 10 Package Delivery missions take vehicle to a safe house and save to keep
 * Unlimited Ammo
 * Achieve 100% game completion.
 * Statue of Happiness T-Shirt
 * Enter the secret room of the Statue of Happiness. When you exit, you will be wearing a Statue of Happiness T-Shirt.
 * GTA III Clothes
 * On the mission "The Holland Play", if you kill Playboy X, you will receive his apartment. In his wardrobe, you will find Claude's (GTA III's protagonist) Leather Jacket and Trousers.
 * }
 * Enter the secret room of the Statue of Happiness. When you exit, you will be wearing a Statue of Happiness T-Shirt.
 * GTA III Clothes
 * On the mission "The Holland Play", if you kill Playboy X, you will receive his apartment. In his wardrobe, you will find Claude's (GTA III's protagonist) Leather Jacket and Trousers.
 * }
 * }

Heart of the the Statue of Happiness
If you are legal to go to Happiness Island (steal a helicopter and fly there). Go to the feet of the statue of happiness and jump off; if you land on the top platform, then run to the doors and you will run. Climb the ladder and you will see a beating heart with chains on it. This is the heart of the statue of happiness.

Liberty City Stories Ringtones
When you are selecting ringtones for your cell phone, some of the "modern" ringtones are actually songs from Grand Theft Auto: Liberty City Stories.