Here is the full list of all 63 Defense Grid 2 trophies - there are 58 bronze, 3 silver, 1 gold and 1 platinum.
Unlock all trophies for Defense Grid 2.
Earn 100 Gold Medals on any missions.
Kill 50,000 aliens.
Enable a Tower Augmentation Item on 10 Towers.
Use the Precision Targeting Special Weapon (Rear Admiral Phillips).
Use the Core Teleport special weapon (Professor Taylor).
Earn a gold medal on every mission in Story mode.
Earn a silver medal (or better) on all missions in the Story mode.
Complete the single player campaign in Story Mode.
Win a Gold medal on mission 19 without using the Command Shuttle.
Survive 100 waves on Grinder challenge mode on any mission.
Survive 100 waves on any Super Grinder challenge mode.
Build 100 Missile towers.
Build 100 Concussion towers.
Build 100 Cannon towers.
Build 100 Meteor towers.
Build 100 Temporal towers.
Build 100 Tesla towers.
Use the command shuttle to move 6 map sections in Mission 6.
Earn a Gold medal in a Coordinated Defense Multiplayer Mission.
Build 100 Laser towers.
Build 100 Inferno towers.
Build 100 Boost towers.
Enable a Tower Augmentation item on any tower.
Win a chapter 4 (or later) mission with level 3 towers only and no selling.
Kill 10,000 aliens.
Using only level 1 towers, Win any Chapter 4 (or later) mission.
Using only Cannon towers, Win any chapter 4 (or later) mission.
Using only Inferno towers, Win any chapter 4 (or later) mission.
Beat a Chapter 4 mission or higher with zero cores captured.
Using only Gun towers, Win any chapter 4 (or later) mission.
Use the Temporal Cannon Special Weapon (Colonel Rissler).
Inspect 10 aliens.
Use the reload checkpoint option five times in a single mission.
Build every tower and every upgrade for each tower.
Build and fully upgrade each tower type in one mission.
Build 1 of each tower type in any single mission.
Use the Tower Overcharge Special Weapon (Advisor Zacara).
Build 100 Gun towers.
Kill an alien boss creature. (Juggernaut, Rumbler, Turtle, or Crasher)
Use the Resource Reinforcement Special Weapon (Professor Briel).
Sell 10 towers or more in a single mission.
Sell 10 towers.
Build 20 towers of any type in one mission.
Build 50 towers of any type in one mission.
Win a mission with at least 10,000 resources remaining.
Finish all the missions in Chapter 1 in Story Mode.
Kill 1000 aliens.
Use the Orbital Laser Special Weapon (General Cai).
Win a mission with at least 5,000 resources remaining.
Use the Reload Checkpoint option.
Use the speed up control for a total of 60 seconds in any mission.
Save a core that is less than 10 seconds away from the map's exit point.
Recover a loose core.
Kill an alien carrying a power core.
Kill 100 aliens.
Earn a Bronze (or better) medal in a Single Player Mission.
Win any mission without selling any towers.
Win a mission with at least 1,000 resources remaining.
Upgrade a tower.
Earn a Gold Medal.
Kill 1 alien.
Earn a silver (or better) medal.