The player has defeated Atlas

Trap a ghost using the Slime Tether.

The children's reading room has a story to tell, but it will take more than your eyes to see it.

Played at least one non-private match on each multiplayer map.

Earn the Designated Driver medal while playing Interdiction. (“Interdiction” downloadable content)

Perform ten Medleys.

Find 30 treasures

De-secure objective D in a round of Escalation. ("Escalation" downloadable content)

Be the overall top earner in each multiplayer campaign setting.

Find 10 pieces of silver

Completed all bonus Protector Trials

Seize 50 vehicles from enemy hands.