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