Collect all weapons in the campaign.

Withstand the zombie siege.

Leave R.P.D.

Defeat zombie Brad.

Defeat Nemesis on the rooftop.

Place all jewels in the clock tower monument.

Improve a weapon.

Destroy a Charlie Doll.

Escape from Jill's apartment building.

Play The Stanley Parable for the entire duration of a Tuesday.

You almost took to the skies.

You helped fix the bike.

"Houston, we've had a problem."