Here is the full list of all 65 Defense Grid 2 achievements.
Earn 100 Gold Medals on any missions.
Kill 50,000 aliens.
Enable a Tower Augmentation Item on 10 Towers.
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.
Use the command shuttle to move 6 map sections in Mission 6.
Use the Core Teleport special weapon (Professor Taylor).
Build 100 Missile towers.
Using only level 1 towers, Win any Chapter 4 (or later) mission.
Use the Precision Targeting Special Weapon (Rear Admiral Phillips).
Using only Inferno towers, Win any chapter 4 (or later) mission.
Win a chapter 4 (or later) mission with level 3 towers only and no selling.
Using only Cannon towers, Win any chapter 4 (or later) mission.
Using only Gun towers, Win any chapter 4 (or later) mission.
Use the Temporal Cannon Special Weapon (Colonel Rissler).
Use the Resource Reinforcement Special Weapon (Professor Briel).
Build 100 Tesla towers.
Build 100 Concussion towers.
Build 100 Temporal towers.
Build 100 Inferno towers.
Build 100 Meteor towers.
Build 100 Laser towers.
Build every tower and every upgrade for each tower.
Build 1 of each tower type in any single mission.
Build and fully upgrade each tower type in one mission.
Survive 100 waves on any Super Grinder challenge mode.
Survive 100 waves on Grinder challenge mode on any 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.
Win a Gold medal on mission 19 without using the Command Shuttle.
Kill 10,000 aliens.
Build 50 towers of any type in one mission.
Sell 10 towers or more in a single mission.
Build 100 Boost towers.
Inspect 10 aliens.
Beat a Chapter 4 mission or higher with zero cores captured.
Win a mission with at least 10,000 resources remaining.
Build 100 Cannon towers.
Win a mission with at least 5,000 resources remaining.
Use the Tower Overcharge Special Weapon (Advisor Zacara).
Enable a Tower Augmentation item on any tower.
Finish all the missions in Chapter 1 in Story Mode.
Use the reload checkpoint option five times in a single mission.
Use the Orbital Laser Special Weapon (General Cai).
Build 20 towers of any type in one mission.
Recover a loose core.
Kill an alien carrying a power core.
Use the Reload Checkpoint option.
Save a core that is less than 10 seconds away from the map's exit point.
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.
Use the speed up control at 3x for a total of 60 seconds in any mission.
Sell 10 towers.
Build 100 Gun towers.
Kill 1000 aliens.
Earn a Gold Medal.
Kill 100 aliens.
Kill 1 alien.
Earn Bronze on a Single Player mission.