Here is the full list of all 65 Defense Grid 2 achievements.
Earn 100 Gold Medals on any missions.
Kill 50,000 aliens.
Build 100 Temporal towers.
Build 100 Concussion towers.
Earn a Victory in a DG Fighter Multiplayer mission.
Play a Competitive Multiplayer mission.
Build 100 Cannon towers.
Build 100 Missile towers.
Build 100 Tesla towers.
Survive 100 waves on any Super Grinder challenge mode.
Use the command shuttle to move 6 map sections in Mission 6.
Survive 100 waves on Grinder challenge mode on any mission.
Use the Core Teleport special weapon (Professor Taylor).
Use the Precision Targeting Special Weapon (Rear Admiral Phillips).
Using only Cannon towers, Win any chapter 4 (or later) mission.
Use the Temporal Cannon Special Weapon (Colonel Rissler).
Using only Inferno towers, Win any chapter 4 (or later) mission.
Using only Gun towers, Win any chapter 4 (or later) mission.
Using only level 1 towers, Win any Chapter 4 (or later) mission.
Build 100 Gun towers.
Sell 10 towers or more in a single 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.
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.
Win a chapter 4 (or later) mission with level 3 towers only and no selling.
Build 100 Meteor towers.
Build 50 towers of any type in one mission.
Beat a Chapter 4 mission or higher with zero cores captured.
Sell 10 towers.
Win a mission with at least 10,000 resources remaining.
Use the reload checkpoint option five times in a single mission.
Kill 10,000 aliens.
Enable a Tower Augmentation Item on 10 Towers.
Build 100 Laser towers.
Build 100 Inferno towers.
Build 100 Boost towers.
Inspect 10 aliens.
Save a core that is less than 10 seconds away from the map's exit point.
Enable a Tower Augmentation item on any tower.
Earn Bronze in a Co-Op Multiplayer mission.
Earn Gold in a Co-Op Multiplayer mission.
Kill an alien boss creature. (Juggernaut, Rumbler, Turtle, or Crasher)
Build 20 towers of any type in one mission.
Use the Resource Reinforcement Special Weapon (Professor Briel).
Recover a loose core.
Kill an alien carrying a power core.
Use the Tower Overcharge Special Weapon (Advisor Zacara).
Finish all the missions in Chapter 1 in Story Mode.
Kill 1000 aliens.
Use the speed up control at 3x for a total of 60 seconds in any mission.
Use the Reload Checkpoint option.
Earn a Gold Medal.
Win a mission with at least 5,000 resources remaining.
Kill 100 aliens.
Earn a silver (or better) medal.
Win a mission with at least 1,000 resources remaining.
Use the Orbital Laser Special Weapon (General Cai).
Kill 1 alien.
Upgrade a level 1 tower to a level 2 tower.
Win any mission without selling any towers.
Earn Bronze on a Single Player mission.