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