Hints

Rewards for finding hidden balloons
Find and pop hidden balloons to unlock weapons at your safe house.

Discount Prices at Ammu-Nation Gun Stories
To get discount prices at Ammi-Nation gun stores, complete the shooting range challenges at the Vice City Docks, outside Phil's place.

Mission Unlockables
Side mission unlockables

Unlockable Vehicles
Finish these missions to unlock Vehicles:

GTA Liberty City Stories Unlockables
Hidden Package Rewards Find the hidden packages.

Unlockable Assets
Complete the requirments to get money made at that location.

Cars obtained through dating girls
Date any of these girls and get your relationship to 50% and you will get the keys to their car.

50K and Free Train Rides
Complete 10 (or level 2) of the freight missions to unlock a free train ride and 50K.

Infinite sprint
Complete "Burglary" by having C.J. steal $10,000 worth of stuff.

Unlockable: Trophies
You can unlock Trophies for the Trophy Shelf in your apartment by performing the actions detailed below:

Unlockable: Bonus Mission Rewards
Perform the actions below to unlock the desired Bonus Mission Rewards:

Unlockable: Vehicles for the Boabo Auto Shop
Complete the following tasks to unlock cars at the Boabo Auto Shop.

Never get tired when running
Complete 12 Paramedic missions to never get tired when running.

Package Rewards
As you collect the hidden packages, weapons will be delivered to your hideout.

Friendship Bonuses
By gaining friendship with the following people can benefit you in many ways.

Trophies
Complete each condition to get the allotted Trophies. There are 42 Bronze Trophies, 5 Silver Trophies, 3 Gold Trophies, and 1 Platinum Trophy.