Save the Slug before it is executed in To the Core.
Race across the Chasm Bridge in 33 seconds in Death of Hope.
Fly through the coolant tunnels in 23 seconds in Aerial Assault.
Reach level 5 in any single class in Multiplayer.
Autobot Campaign Complete (Easy).
Complete both Campaigns (Any Difficulty).
Autobot Campaign Complete (Medium).
Autobot Campaign Complete (Hard).
Complete One Shall Stand on any difficulty.
Complete Aerial Assault on any difficulty.
Complete To the Core on any difficulty.
Destroy 100 Spiders in Campaign or Escalation.
Destroy a Jet Soldier's foot thruster 5 times in Campaign or Escalation.
Complete Kaon Prison Break on any difficulty.
Complete Defend Iacon on any difficulty.
Ignite a Brute's back 5 times in Campaign or Escalation.
Decepticon Campaign Complete (Easy).
Decepticon Campaign Complete (Medium).
Decepticon Campaign Complete (Hard).
Complete The Final Guardian on any difficulty.
Complete Death of Hope on any difficulty.
Complete Iacon Destroyed on any difficulty.
Headshot a Cloaker when it is invisible in Campaign or Escalation.
Destroy the planets in the Stellar Galleries in Iacon Destroyed.
Complete Fuel of War on any difficulty.
Find and disable all security trip-wire switches in Fuel of War.
Complete Dark Energon on any difficulty.
Kill 2 Snipers in 5 seconds in Campaign.
Get 10 kills with a single detached turret in any mode.
Multi-Kill 3 car soldiers at once using an explosive weapon in Campaign or Escalation.
Revive 5 Autobot soldiers in Defend Iacon.
Shoot the 3 Hidden Laserbeaks throughout Kaon Prison Break.
Get smashed by Trypticon's hand as he falls into the energon goo in One Shall Stand.
Kill all but 1 of the neutral prisoners in Dark Energon.
Destroy all cover in the arena in The Final Guardian.
Melee-kill a Jet Vehicle in the air in Campaign or Escalation.
Finish any level in Co-Op.
Finish any level in Competitive Co-Op.
Earn a 1st Place MVP award in any Multiplayer mode.
Reach level 25 in any single class in Multiplayer.
Reach a combined class level of 50 in Multiplayer.
Reach a combined class level of 75 in Multiplayer.
Reach a combined class level of 100 in Multiplayer.
Unlock Prime Mode.
Spend 25,000 Power in Escalation mode.
Complete the 15th wave in Escalation.
Destroy all hidden Autobot symbols in the Decepticon Campaign.
Destroy all hidden Decepticon symbols in the Autobot Campaign.
Get 3 kills while downed in a Co-Op Campaign or Escalation mode.
Ram-kill against an enemy who is stunned by an EMP grenade in Campaign or Multiplayer.