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