Find and absolve both Francesca da Polenta and Paolo Malatesta

Send Charon back into the abyss

Collect all Trophies.

See the alternative ending on any difficulty mode.

Complete New Game Plus on any difficulty mode.

Pick up a Marker fragment for the first time.

Complete Chapter 12 on any difficulty setting.

Complete Chapter 11 on any difficulty setting.

Find the Peng Treasure.

Pursue Nicole's investigation.

Complete Level 6 in Zero-G Basketball.

Complete Chapter 9 on any difficulty setting.

Survive the Shooting Gallery.