Here is the full list of all 65 Defense Grid 2 achievements.
Build 100 Temporal towers.
Using only level 1 towers, Win any Chapter 4 (or later) mission.
Build 100 Tesla towers.
Build 100 Concussion towers.
Win a Gold medal on mission 19 without using the Command Shuttle.
Build 100 Meteor towers.
Build 100 Missile towers.
Build 100 Inferno towers.
Build 100 Laser towers.
Build every tower and every upgrade for each tower.
Build and fully upgrade each tower type in one mission.
Enable a Tower Augmentation Item on 10 Towers.
Beat a Chapter 4 mission or higher with zero cores captured.
Using only Inferno towers, Win any chapter 4 (or later) mission.
Survive 100 waves on any Super Grinder challenge mode.
Use the command shuttle to move 6 map sections in Mission 6.
Kill 10,000 aliens.
Survive 100 waves on Grinder challenge mode on any mission.
Win a chapter 4 (or later) mission with level 3 towers only and no selling.
Build 100 Cannon towers.
Using only Cannon towers, Win any chapter 4 (or later) mission.
Using only Gun towers, Win any chapter 4 (or later) mission.
Use the Core Teleport special weapon (Professor Taylor).
Use the Precision Targeting Special Weapon (Rear Admiral Phillips).
Build 100 Boost towers.
Use the Temporal Cannon Special Weapon (Colonel Rissler).
Build 1 of each tower type in any single mission.
Use the reload checkpoint option five times in a single mission.
Win a mission with at least 10,000 resources remaining.
Win a mission with at least 5,000 resources remaining.
Enable a Tower Augmentation item on any tower.
Kill an alien boss creature. (Juggernaut, Rumbler, Turtle, or Crasher)
Use the Resource Reinforcement Special Weapon (Professor Briel).
Use the Tower Overcharge Special Weapon (Advisor Zacara).
Finish all the missions in Chapter 1 in Story Mode.
Earn a Gold Medal.
Inspect 10 aliens.
Kill 1000 aliens.
Sell 10 towers.
Build 50 towers of any type in one mission.
Sell 10 towers or more in a single mission.
Use the Reload Checkpoint option.
Build 100 Gun towers.
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.
Win a mission with at least 1,000 resources remaining.
Use the Orbital Laser Special Weapon (General Cai).
Kill 100 aliens.
Use the speed up control at 3x for a total of 60 seconds in any mission.
Kill 1 alien.
Earn a silver (or better) medal.
Build 20 towers of any type in one mission.
Upgrade a level 1 tower to a level 2 tower.
Win any mission without selling any towers.
Earn Bronze on a Single Player mission.
Kill 50,000 aliens.
Complete the single player campaign in Story Mode.
Earn a silver medal (or better) on all missions in the Story mode.
Earn 100 Gold Medals on any missions.
Earn a gold medal on every mission in Story mode.
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.