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