Here is the full list of all 31 Transformers: Devastation trophies - there are 5 bronze, 22 silver, 3 gold and 1 platinum.
Earned all other trophies.
Completed all Challenge Mode missions on any difficulty.
Completed half of all Challenge Mode missions on any difficulty.
In chapter 7, on difficulty COMMANDER or greater, defeated Megatron without taking damage.
In chapter 4, on difficulty COMMANDER or greater, defeated Menasor without taking damage.
In chapter 1, on difficulty COMMANDER or greater, defeated Devastator without taking damage.
In chapter 1, on difficulty COMMANDER or greater, knocked Devastator into a building 3 times.
In chapter 3, on difficulty COMMANDER or greater, defeated Blitzwing without taking damage.
In chapter 5, on difficulty COMMANDER or greater, defeated Shockwave without taking damage.
In chapter 6, on diff. COMMANDER or greater, defeated Soundwave without defeating any cassettes.
In chapter 6, on difficulty COMMANDER or greater, defeated Soundwave without taking damage.
Completed all chapters, earning the highest rank, on difficulty COMMANDER or greater.
In chapter 2, on difficulty COMMANDER or greater, destroyed the shielding without taking damage.
Used parrying to catch the following from an enemy: a boulder, a missile, and both drill types.
Completed all chapters on any difficulty using Wheeljack.
Performed 100 successful head shots.
After dodging, quickly countered with a ranged attack 100 times.
Completed all chapters on any difficulty using Sideswipe.
After dodging, quickly countered with a melee attack 100 times.
Completed all chapters on any difficulty using Bumblebee.
Synthesized 10 weapons.
Completed all chapters on any difficulty using Grimlock.
Defeated 100 enemies with Vehicle/Dino Attacks.
Defeated 100 enemies with Rush Attacks.
Completed all chapters on any difficulty.
Completed all chapters on any difficulty using Optimus Prime.
Collected all collectible items.
Used Focus 100 times.
In chapter 4, defeated Motormaster while racing him.
Collected half of all collectible items.
Finished the lift battle in Chapter 2 without taking damage from Insecticons.