Hidden Packages in GTA Liberty City Stories

Grand Theft Auto: Liberty City Stories has 100 hidden packages to collect altogether in all 3 islands; Portland Island, Staunton Island, and Shoreside Vale. Some of them can be collected only after completing specific storyline missions. All 100 hidden packages are required for the game's 100% completion.

Rewards
Every 10 packages collected, the player will be rewarded with a unique weapon pickup to be collected at every safehouse. (Note: The 100th package won't give any weapon pickup, but a money reward of $50,000).
 * 10 Packages: Pistol
 * 20 Packages: Pump-Action Shotgun
 * 30 Packages: Body Armor
 * 40 Packages: MP5
 * 50 Packages: Python
 * 60 Packages: Carbine Rifle
 * 70 Packages: Combat Sniper
 * 80 Packages: Flamethrower
 * 90 Packages: RPG
 * 100 Packages: $50,000

Video Walkthrough
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