Unlock all trophies

See Johann's name in the ending credits

Look in all peepholes and telescopes long enough to hear Edith's commentary

Take a picture of the rabbit outside Odin Finch National Park

Let the drunken sailor finish his song

Take both paths to the house

Collect all trophies

Use bricks or bottles to lure an infected into attacking a human

Defeat Black Fang without getting hit

Engage in all optional conversations

Win the brick throwing contest

Collect all comics

Break into every locked door using shivs