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 Concussion towers.
Build 100 Temporal towers.
Build 100 Meteor towers.
Survive 100 waves on any Super Grinder challenge mode.
Use the Temporal Cannon Special Weapon (Colonel Rissler).
Build 100 Tesla towers.
Earn a Victory in a DG Fighter Multiplayer mission.
Play a Competitive Multiplayer mission.
Use the Core Teleport special weapon (Professor Taylor).
Earn Gold in a Co-Op Multiplayer mission.
Earn Bronze in a Co-Op Multiplayer mission.
Use the command shuttle to move 6 map sections in Mission 6.
Survive 100 waves on Grinder challenge mode on any mission.
Build every tower and every upgrade for each tower.
Build and fully upgrade each tower type in one mission.
Use the Tower Overcharge Special Weapon (Advisor Zacara).
Win a chapter 4 (or later) mission with level 3 towers only and no selling.
Using only level 1 towers, Win any Chapter 4 (or later) mission.
Win a mission with at least 10,000 resources remaining.
Using only Cannon towers, Win any chapter 4 (or later) mission.
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.
Earn a gold medal on every mission in Story mode.
Build 100 Missile towers.
Complete the single player campaign in Story Mode.
Earn a silver medal (or better) on all missions in the Story mode.
Win a mission with at least 5,000 resources remaining.
Build 100 Laser towers.
Build 100 Cannon towers.
Win a Gold medal on mission 19 without using the Command Shuttle.
Kill 10,000 aliens.
Use the Reload Checkpoint option.
Use the reload checkpoint option five times in a single mission.
Enable a Tower Augmentation Item on 10 Towers.
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.
Build 100 Gun towers.
Build 100 Boost towers.
Kill an alien boss creature. (Juggernaut, Rumbler, Turtle, or Crasher)
Build 50 towers of any type in one 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.
Sell 10 towers or more in a single mission.
Sell 10 towers.
Inspect 10 aliens.
Use the speed up control at 3x for a total of 60 seconds in any mission.
Finish all the missions in Chapter 1 in Story Mode.
Kill 1000 aliens.
Enable a Tower Augmentation item on any tower.
Kill 100 aliens.
Build 20 towers of any type in one mission.
Recover a loose core.
Kill an alien carrying a power core.
Earn a silver (or better) medal.
Earn a Gold Medal.
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.
Earn Bronze on a Single Player mission.
Kill 1 alien.