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