See Johann's name in the ending credits

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

Clear all balls off the pool table

Catch 2 rabbits with only 2 swoops

Completed New Game +.

Acquired all trophies.

Win a penalty shoot-out without missing

Achieved Making New Memories ending.

Got information on all Naytibas.

Defeated Raven.

Enhanced Blood Edge to its max.

Defeated Karakuri.

Collected all cans.