Here is the full list of all 65 Defense Grid 2 achievements.
Earn 100 Gold Medals on any missions.
Enable a Tower Augmentation Item on 10 Towers.
Kill 50,000 aliens.
Build 100 Temporal towers.
Earn a Victory in a DG Fighter Multiplayer mission.
Play a Competitive Multiplayer mission.
Earn Bronze in a Co-Op Multiplayer mission.
Earn Gold in a Co-Op Multiplayer mission.
Survive 100 waves on Grinder challenge mode on any mission.
Survive 100 waves on any Super Grinder challenge mode.
Enable a Tower Augmentation item on any tower.
Use the command shuttle to move 6 map sections in Mission 6.
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 Inferno 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.
Earn a gold medal on every mission in Story mode.
Use the Core Teleport special weapon (Professor Taylor).
Complete the single player campaign in Story Mode.
Earn a silver medal (or better) on all missions in the Story mode.
Kill 10,000 aliens.
Win a Gold medal on mission 19 without using the Command Shuttle.
Use the Precision Targeting Special Weapon (Rear Admiral Phillips).
Build 100 Concussion 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.
Use the Resource Reinforcement Special Weapon (Professor Briel).
Build 100 Tesla towers.
Build 100 Boost towers.
Use the Tower Overcharge Special Weapon (Advisor Zacara).
Build 100 Meteor towers.
Build 100 Cannon towers.
Beat a Chapter 4 mission or higher with zero cores captured.
Build 100 Missile towers.
Build 100 Laser towers.
Build 100 Inferno towers.
Save a core that is less than 10 seconds away from the map's exit point.
Kill an alien boss creature. (Juggernaut, Rumbler, Turtle, or Crasher)
Build 100 Gun towers.
Kill 1000 aliens.
Use the Reload Checkpoint option.
Use the reload checkpoint option five times in a single mission.
Use the speed up control at 3x for a total of 60 seconds in any mission.
Finish all the missions in Chapter 1 in Story Mode.
Win a mission with at least 5,000 resources remaining.
Win a mission with at least 10,000 resources remaining.
Kill 100 aliens.
Earn a Gold Medal.
Sell 10 towers.
Build 50 towers of any type in one mission.
Sell 10 towers or more in a single mission.
Recover a loose core.
Kill an alien carrying a power core.
Upgrade a level 1 tower to a level 2 tower.
Use the Orbital Laser Special Weapon (General Cai).
Earn a silver (or better) medal.
Win a mission with at least 1,000 resources remaining.
Build 20 towers of any type in one mission.
Win any mission without selling any towers.
Inspect 10 aliens.
Earn Bronze on a Single Player mission.
Kill 1 alien.