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