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