Complete your first structure (signs, ladders, and climbing anchors also count.)

Change footwear for the first time.

Get a Like from BB.

Give your first Like.

Deliver your first piece of lost cargo.

Defeat Stage 2 Nemesis.

Follow Nicholai deeper underground.

Unlock all safes, lockers, strongboxes, and pickable locks.

Leave the clock tower plaza.

Defeat zombie Brad.

Defeat Nemesis on the rooftop.

Cause Nemesis to relinquish an item.