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