Picked up the IDS device

Score a 5x multiplier in a Story level

Kill five enemies with a brutal combo

Win with a Defender-Class Guardian in any Battlegrounds match

Gather all "Letters of the Lost".

Gather all the memory cards.

Earn every tattoo by learning all the skills.

Beat any Trial of the Rakyat score.

Buy all attachments and paint jobs for one weapon.

Kill Hoyt.

Kill 4 enemies simultaneously with one explosion (Single Player only).

Kill Vaas.

Rescue Keith from Buck.