AlphaOmegaSid

Fed The Fish You completed the mission "Uncle Vlad".

Driving Mr. Bellic You unlocked the special ability of Roman's taxi.

Lowest Point You completed the mission "Roman's Sorrow".

Full Exploration You unlocked all the islands.

Impossible Trinity You completed the mission "Museum Piece".

Gracefully Taken You completed the mission "I'll Take Her".

That Special Someone You completed the mission "That Special Someone".

You Won! You have completed the story.

King of QUB3D You beat the high score in QUB3D.

Assassin's Greed You completed all 9 assassin missions.

Order Fulfilled You completed all 10 Exotic Export orders.

Retail Therapy You unlocked the special ability of buying guns from Little Jacob.

Liberty City Minute You finished the story in less than 30 hours.

Courier Service You completed all 10 package delivery jobs.

That's How We Roll! You unlocked the special ability of Brucie's helicopter ride.

Dial B For Bomb You unlocked the special ability of Packie's car bomb placement.

Cleaned The Mean Streets You caught 20 criminals through the police computer.

Manhunt You completed the most wanted side mission.

Liberty City (5) Your friends all like you above 90%.

You Got The Message You delivered all 30 cars ordered through text message.

No More Strangers You've met all the random characters.

Dare Devil You completed all the unique stunt jumps.

Endangered Species You collected every hidden package in the game.

Prologue Complete Prologue

Dear Diary Dear Diary - Found a journal

Killing Spree Killing Spree - Kill 10 enemies within 60 seconds

Key To The City You completed GTA IV to 100%.

Crash Site Complete Crash Site

Blue Light Special Blue Light Special - Kill 3 enemies with one grenade

Tesla's Apprentice Tesla's Apprentice - Upgraded first weapon

The Village Complete The Village

Mark of the Adept Mark of the Adept - Kill 5 UFOs in the Prologue

Spare Parts Complete Spare Parts

Village Attack Complete Village Attack

Cliffhanger Killer Cliffhanger Killer - Kill 50 enemies while in vertical cover

Into the Void Complete Into the Void

Terminal Velocity Terminal Velocity - Free fall for 10 seconds

Prophesied One Complete Prophesied One

Rocket Clothesline Rocket Clothesline - Perform a melee right after turning off rocket pack thrusters

The Survivors Complete The Survivors

Rochambeau, I Go First Rochambeau, I Go First - Kill 50 enemies with melee attacks

Prison Escape Complete Prison Escape

Pack Rat Pack Rat - Acquired 30,000 tech points

The Squishy Center The Squishy Center - Kill a Sarpa piloting an Archon

Forgot My Tow Cable Forgot My Tow Cable - Fly through an Archon's legs

Breaking Camp Complete Breaking Camp

Defending the Ark Complete Defending the Ark

The Collector Complete The Collector

Light Up the Sky Light Up the Sky - Destroy 25 targets with the Ark's AA guns

The Revolt Complete The Revolt