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