Here is the full list of all 65 Defense Grid 2 achievements.
Build 100 Temporal towers.
Build 100 Meteor towers.
Build 100 Tesla towers.
Build 100 Missile towers.
Build 100 Concussion towers.
Survive 100 waves on any Super Grinder challenge mode.
Survive 100 waves on Grinder challenge mode on any mission.
Earn Gold in a Co-Op Multiplayer mission.
Build 100 Laser towers.
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.
Use the Core Teleport special weapon (Professor Taylor).
Earn Bronze in a Co-Op Multiplayer mission.
Kill 10,000 aliens.
Build 100 Boost towers.
Build 100 Inferno towers.
Using only Inferno towers, Win any chapter 4 (or later) mission.
Using only Cannon towers, Win any chapter 4 (or later) mission.
Using only level 1 towers, Win any Chapter 4 (or later) mission.
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.
Use the Precision Targeting Special Weapon (Rear Admiral Phillips).
Beat a Chapter 4 mission or higher with zero cores captured.
Build 100 Cannon towers.
Use the Temporal Cannon Special Weapon (Colonel Rissler).
Build every tower and every upgrade for each tower.
Build and fully upgrade each tower type in one mission.
Sell 10 towers.
Build 50 towers of any type in one mission.
Sell 10 towers or more in a single mission.
Build 100 Gun towers.
Use the command shuttle to move 6 map sections in Mission 6.
Earn a Victory in a DG Fighter Multiplayer mission.
Win a mission with at least 5,000 resources remaining.
Win a mission with at least 10,000 resources remaining.
Build 1 of each tower type in any single mission.
Use the Resource Reinforcement Special Weapon (Professor Briel).
Enable a Tower Augmentation item on any tower.
Use the Tower Overcharge Special Weapon (Advisor Zacara).
Inspect 10 aliens.
Finish all the missions in Chapter 1 in Story Mode.
Build 20 towers of any type in one mission.
Save a core that is less than 10 seconds away from the map's exit point.
Use the Reload Checkpoint option.
Use the reload checkpoint option five times in a single mission.
Kill 1000 aliens.
Use the speed up control at 3x for a total of 60 seconds in any mission.
Upgrade a level 1 tower to a level 2 tower.
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.
Win any mission without selling any towers.
Play a Competitive Multiplayer mission.
Kill 100 aliens.
Kill 1 alien.
Earn a Gold Medal.
Earn Bronze on a Single Player mission.
Kill 50,000 aliens.
Earn 100 Gold Medals on any missions.
Enable a Tower Augmentation Item on 10 Towers.