Here is the full list of all 65 Defense Grid 2 achievements.
Earn a Victory in a DG Fighter Multiplayer mission.
Earn Bronze in a Co-Op Multiplayer mission.
Earn Gold in a Co-Op Multiplayer mission.
Earn 100 Gold Medals on any missions.
Enable a Tower Augmentation Item on 10 Towers.
Kill 50,000 aliens.
Build 100 Missile towers.
Build 100 Temporal towers.
Build 100 Meteor towers.
Build 100 Inferno towers.
Build 100 Tesla towers.
Enable a Tower Augmentation item on any tower.
Build 100 Concussion towers.
Use the command shuttle to move 6 map sections in Mission 6.
Build 100 Laser towers.
Build 100 Gun towers.
Survive 100 waves on any Super Grinder challenge mode.
Survive 100 waves on Grinder challenge mode on any mission.
Play a Competitive Multiplayer mission.
Inspect 10 aliens.
Build every tower and every upgrade for each tower.
Build and fully upgrade each tower type in one mission.
Using only Gun towers, Win any chapter 4 (or later) mission.
Sell 10 towers or more in a single 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 Inferno towers, Win any chapter 4 (or later) 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.
Kill 10,000 aliens.
Win a Gold medal on mission 19 without using the Command Shuttle.
Use the Core Teleport special weapon (Professor Taylor).
Build 100 Cannon towers.
Win a mission with at least 10,000 resources remaining.
Win a chapter 4 (or later) mission with level 3 towers only and no selling.
Build 50 towers of any type in one mission.
Use the Precision Targeting Special Weapon (Rear Admiral Phillips).
Beat a Chapter 4 mission or higher with zero cores captured.
Sell 10 towers.
Use the reload checkpoint option five times in a single mission.
Use the Temporal Cannon Special Weapon (Colonel Rissler).
Build 1 of each tower type in any single mission.
Build 100 Boost towers.
Use the Resource Reinforcement Special Weapon (Professor Briel).
Use the Orbital Laser Special Weapon (General Cai).
Kill an alien boss creature. (Juggernaut, Rumbler, Turtle, or Crasher)
Use the Reload Checkpoint option.
Use the Tower Overcharge Special Weapon (Advisor Zacara).
Kill 1000 aliens.
Save a core that is less than 10 seconds away from the map's exit point.
Finish all the missions in Chapter 1 in Story Mode.
Build 20 towers of any type in one mission.
Win a mission with at least 5,000 resources remaining.
Kill 100 aliens.
Kill 1 alien.
Earn a silver (or better) medal.
Earn a Gold Medal.
Win a mission with at least 1,000 resources remaining.
Recover a loose core.
Kill an alien carrying a power core.
Upgrade a level 1 tower to a level 2 tower.
Win any mission without selling any towers.
Use the speed up control at 3x for a total of 60 seconds in any mission.
Earn Bronze on a Single Player mission.