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