Combine two items together.

Make it to the police station.

In Revelations, visit every unique location within 2 minutes.

In Origins, release Samantha.

In Revelations, the Key must be opened.

In Gorod Krovi, kill 10 zombies at once with the Guard of Fafnir.

In Gorod Krovi, complete a Lockdown Event.

In Zetsubou No Shima, the one must be saved.

In Zetsubou No Shima, stay underwater for one minute.

In Shadows of Evil, summon the Civil Protector in every district in a single game.

In Shadows of Evil, kill 5 Parasites while riding on the train.

In Revelations, override all of the Corruption Engines before round 6.

In Revelations, kill 10 enemies in one shot with each wonder weapon.