Use an enemy combat robot to kill 10 enemies.

In Campaign, kill 10 enemies in under 3 seconds.

Open a lockbox with enemies nearby

Find 5 treasures

Defeat 4 enemies with the same explosion (all explosive items and weapons apply)

Play in the ocean near the sunken ship

Perform 10 combo buddy takedowns

Find 50 treasures

Find a Treasure

Complete the game in explorer mode

Complete the game in moderate mode

Stealth take-down 5 enemies

Finish the story on at least Standard difficulty.