Here is the full list of all 65 Defense Grid 2 achievements.
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.
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.
Using only level 1 towers, Win any Chapter 4 (or later) mission.
Using only Cannon towers, Win any chapter 4 (or later) mission.
Earn 100 Gold Medals on any missions.
Build 100 Missile towers.
Win a chapter 4 (or later) mission with level 3 towers only and no selling.
Using only Inferno towers, Win any chapter 4 (or later) mission.
Using only Gun towers, Win any chapter 4 (or later) mission.
Beat a Chapter 4 mission or higher with zero cores captured.
Use the Core Teleport special weapon (Professor Taylor).
Build 100 Temporal towers.
Build 100 Meteor towers.
Build 100 Laser towers.
Build 100 Tesla towers.
Use the Precision Targeting Special Weapon (Rear Admiral Phillips).
Use the command shuttle to move 6 map sections in Mission 6.
Build 100 Concussion towers.
Enable a Tower Augmentation Item on 10 Towers.
Use the Temporal Cannon Special Weapon (Colonel Rissler).
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.
Build 100 Inferno towers.
Sell 10 towers or more in a single mission.
Sell 10 towers.
Use the Resource Reinforcement Special Weapon (Professor Briel).
Use the Reload Checkpoint option.
Use the reload checkpoint option five times in a single mission.
Use the Tower Overcharge Special Weapon (Advisor Zacara).
Build 100 Cannon towers.
Survive 100 waves on any Super Grinder challenge mode.
Build 50 towers of any type in one mission.
Use the Orbital Laser Special Weapon (General Cai).
Inspect 10 aliens.
Survive 100 waves on Grinder challenge mode on any mission.
Finish all the missions in Chapter 1 in Story Mode.
Build 100 Boost towers.
Save a core that is less than 10 seconds away from the map's exit point.
Win a mission with at least 5,000 resources remaining.
Win a mission with at least 10,000 resources remaining.
Build 100 Gun towers.
Build 20 towers of any type in one mission.
Enable a Tower Augmentation item on any tower.
Recover a loose core.
Kill an alien carrying a power core.
Use the speed up control at 3x for a total of 60 seconds in any mission.
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.
Kill 10,000 aliens.
Kill 1000 aliens.
Kill 50,000 aliens.
Kill 100 aliens.
Kill 1 alien.
Earn a Gold Medal.
Earn Bronze on a Single Player mission.