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