Auf Wiedersehen Petrovic
You won in all variations of multiplayer games.
Top The Midnight Club
You won 20 different multiplayer standard races.
Fly The Co-op
You completed "Deal Breaker", "Hangman's NOOSE" and "Bomb da Base II" in time.
You achieved the highest personal rank possible in multiplayer.
Taking It For The Team
You were on the winning team in all multiplayer team games.
Freefall for the longest possible time. (The Ballad of Gay Tony)
TBoGT: Gold Star
Score 100% in all missions. (The Ballad of Gay Tony)
Join The Midnight Club
You won a multiplayer race without damaging your vehicle too much.
TBoGT: Past the Velvet Rope
Score 80% or above in all missions. (The Ballad of Gay Tony)
Top Of The Food Chain
You successfully killed 20 players with a pistol in a deathmatch.
Key To The City
You completed GTA IV to 100%.
You collected every hidden package in the game.