Decepticon Campaign Complete (Easy).

Complete The Final Guardian on any difficulty.

Complete Iacon Destroyed on any difficulty.

Headshot a Cloaker when it is invisible in Campaign or Escalation.

Earn a 1st Place MVP award in any Multiplayer mode.

Complete Dark Energon on any difficulty.

Kill 2 Snipers in 5 seconds in Campaign.

Finished the game on the hardest difficulty level.

Paid your respects to the founder of Rapture.

Kill Harper in Mist Ridge.

Score the harmonic in Grave's Bog.

Score your first harmonic in Needle Hills.