Here is the full list of all 30 TRANSFORMERS: Devastation achievements.
Completed all chapters on any difficulty.
Synthesize 10 weapons.
In chapter 4, defeated Motormaster while racing him.
Used Focus 100 times.
Completed all chapters on any difficulty using Optimus Prime.
Completed all chapters on any difficulty using Bumblebee.
Completed all chapters on any difficulty using Wheeljack.
Completed all chapters on any difficulty using Sideswipe.
Completed all chapters on any difficulty using Grimlock.
Completed all Challenge Mode missions on any difficulty.
Completed half of all Challenge Mode missions on any difficulty.
Collected all collectible items.
Collected half of all collectible items.
Defeated 100 enemies with Vehicle/Dino Attacks.
Defeated 100 enemies with Rush Attacks.
Completed all chapters, earning the highest rank, on difficulty COMMANDER or greater.
Finished the lift battle in Chapter 2 without taking damage from Insecticons.
Used parrying to catch all of the following from the enemy: a drill, boulder, and missile.
After dodging, quickly countered with a melee attack 100 times.
After dodging, quickly countered with a ranged attack 100 times.
Performed 100 successful head shots.
In chapter 1, on difficulty COMMANDER or greater, slammed Devastator into a building 3 or more times.
In chapter 6, on difficulty COMMANDER or greater, beat Soundwave without defeating any cassettes.
In chapter 1, on difficulty COMMANDER or greater, defeated Devastator without taking damage.
In chapter 2, on difficulty COMMANDER or greater, destroyed the shielding without taking damage.
In chapter 3, on difficulty COMMANDER or greater, defeated Blitzwing without taking damage.
In chapter 4, on difficulty COMMANDER or greater, defeated Menasor without taking damage.
In chapter 5, on difficulty COMMANDER or greater, defeated Shockwave without taking damage.
In chapter 6, on difficulty COMMANDER or greater, defeated Soundwave without taking damage.
In chapter 7, on difficulty COMMANDER or greater, defeated Megatron without taking damage.