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