Here is the full list of all 65 Defense Grid 2 achievements.
Earn 100 Gold Medals on any missions.
Kill 50,000 aliens.
Earn Gold in a Co-Op Multiplayer mission.
Earn Bronze in a Co-Op Multiplayer mission.
Earn a Victory in a DG Fighter Multiplayer mission.
Use the command shuttle to move 6 map sections in Mission 6.
Use the Core Teleport special weapon (Professor Taylor).
Build 100 Temporal towers.
Build 100 Missile towers.
Build 100 Concussion towers.
Survive 100 waves on any Super Grinder challenge mode.
Build 100 Meteor towers.
Build 100 Tesla towers.
Build 100 Laser towers.
Play a Competitive Multiplayer mission.
Build 100 Inferno towers.
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.
Using only Gun towers, Win any chapter 4 (or later) mission.
Build 100 Cannon towers.
Survive 100 waves on Grinder challenge mode on any mission.
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.
Enable a Tower Augmentation Item on 10 Towers.
Kill 10,000 aliens.
Win a Gold medal on mission 19 without using the Command Shuttle.
Build 100 Boost towers.
Use the Precision Targeting Special Weapon (Rear Admiral Phillips).
Win a mission with at least 10,000 resources remaining.
Use the Temporal Cannon Special Weapon (Colonel Rissler).
Sell 10 towers.
Use the Resource Reinforcement Special Weapon (Professor Briel).
Beat a Chapter 4 mission or higher with zero cores captured.
Use the Tower Overcharge Special Weapon (Advisor Zacara).
Enable a Tower Augmentation item on any tower.
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 50 towers of any type in one mission.
Inspect 10 aliens.
Build 100 Gun towers.
Kill an alien boss creature. (Juggernaut, Rumbler, Turtle, or Crasher)
Use the Reload Checkpoint option.
Use the reload checkpoint option five times in a single mission.
Finish all the missions in Chapter 1 in Story Mode.
Kill 1000 aliens.
Build 20 towers of any type in one mission.
Use the speed up control at 3x for a total of 60 seconds in any mission.
Win a mission with at least 5,000 resources remaining.
Kill 100 aliens.
Earn a Gold Medal.
Recover a loose core.
Kill an alien carrying a power core.
Save a core that is less than 10 seconds away from the map's exit point.
Kill 1 alien.
Earn a silver (or better) medal.
Win a mission with at least 1,000 resources remaining.
Upgrade a level 1 tower to a level 2 tower.
Use the Orbital Laser Special Weapon (General Cai).
Win any mission without selling any towers.
Earn Bronze on a Single Player mission.