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