Unlock all trophies
Take a picture of the rabbit outside Odin Finch National Park
Play Calvin's story again
Replay a story after completing the game
See Johann's name in the ending credits
Finish all stories
Look in all peepholes and telescopes long enough to hear Edith's commentary
Knock all the letters of Gregory's name into the bathtub
Clear all balls off the pool table
Let the drunken sailor finish his song
Catch 2 rabbits with only 2 swoops
Take both paths to the house