Earned at least a Quarter Stripe mark in all three trials at one Hunting Ground.

Arrived at the Daunt seeking passage into the Forbidden West.

Play Calvin's story again

Knock all the letters of Gregory's name into the bathtub

See Johann's name in the ending credits

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

Take both paths to the house

Kill 5 enemies at once.

Throw an object without alerting anyone.

Play Twin Breaker over five separate sessions.

Miss 500 pickups.

Unlock all 40 collectibles.