Complete all base jumps. (The Ballad of Gay Tony)

In the bike races, whack off 69 bikers with a bat. (The Lost and Damned)

Finish the story. (The Lost and Damned)

Help Billy get his bike back. (The Lost and Damned)

You completed "Deal Breaker", "Hangman's NOOSE" and "Bomb da Base II" in time.

Finish the Game on Normal Without Changing the Difficulty

Find all Treasures and the Strange Relic

Kill 30 Enemies with the Desert-5

Find 80 treasures

Kill 50 Enemies by Melee-Attacking from Behind

Kill an Enemy While Playing as an Alternate Character Costume Other Than Drake

Explore Photo Mode

Kill 50 Enemies with the M4