Sam or Ashley attacked the psycho with a weapon

Play with the lemur in the market and let it steal your apple

Complete the game in light mode

Complete the game in hard mode

Pull 20 enemies over when hanging from a ledge

Play in the ocean near the sunken ship

Find a Journal Note

Defeat 50 enemies with headshots

Defeat 20 enemies with headshots

Compare Statistics with Friends

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

Activate a Tweak

Finish the Game on Easy Without Changing the Difficulty