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