Defeat 20 or more suits of armor with Trico's lightning.

Open the first sealed gate

Complete the game with Ferox

Complete all levels

Save two humans within a span of one second

Complete the game in explorer mode

Complete the game in moderate mode

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

Pull 20 enemies over when hanging from a ledge

Take a photo of Sully

Perform 10 combo buddy takedowns

Defeat 50 enemies with headshots

Find a Journal Note