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