Here is the full list of all 30 Transformers: Devastation achievements worth 1,000 gamerscore.
Complete all chapters on any difficulty.
Complete all chapters on any difficulty using Optimus Prime.
Complete all chapters on any difficulty using Bumblebee.
Complete all chapters on any difficulty using Wheeljack.
Complete all chapters on any difficulty using Sideswipe.
Complete all chapters on any difficulty using Grimlock.
Complete all Challenge Mode missions on any difficulty.
Complete half of all Challenge Mode missions on any difficulty.
Collect all collectible items.
Collect half of all collectible items.
Synthesize 10 weapons.
Defeat 100 enemies with Vehicle/Dino Attacks.
Defeat 100 enemies with Rush Attacks.
Complete all chapters, earning the highest rank, on difficulty COMMANDER or greater.
Finish the lift battle in Chapter 2 without taking damage from Insecticons.
Use parrying to catch the following from an enemy: a boulder, a missile, and both drill types.
Use Focus 100 times.
After dodging, quickly counter with a melee attack 100 times.
After dodging, quickly counter with a ranged attack 100 times.
Perform 100 successful head shots.
In chapter 1, on difficulty COMMANDER or greater, knock Devastator into a building 3 times.
In chapter 4, defeat Motormaster while racing him.
In chapter 6, on diff. COMMANDER or greater, defeat Soundwave without defeating any cassettes.
In chapter 1, on difficulty COMMANDER or greater, defeat Devastator without taking damage.
In chapter 2, on difficulty COMMANDER or greater, destroy the shielding without taking damage.
In chapter 3, on difficulty COMMANDER or greater, defeat Blitzwing without taking damage.
In chapter 4, on difficulty COMMANDER or greater, defeat Menasor without taking damage.
In chapter 5, on difficulty COMMANDER or greater, defeat Shockwave without taking damage.
In chapter 6, on difficulty COMMANDER or greater, defeat Soundwave without taking damage.
In chapter 7, on difficulty COMMANDER or greater, defeat Megatron without taking damage.