Kill two or more enemies with a single sticky grenade.

Discover all named locations on Eden-6.

Send an item to a friend.

Complete all the Circles of Slaughter.

Clear all the Eridian Proving Grounds.

Decipher all of the Eridian Slabs.

Defeat all of Hammerlock's Legendary Hunts.

Complete mission "Divine Retribution".

Unlock 10 Vehicle Parts via hijacking.

Equip purple-rarity gear or better in every slot.

Win a live grenade at a Slot Machine.

Complete mission "The Great Vault".

Complete mission "Cold as the Grave".