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