Full list of all 65 Defense Grid 2 achievements worth 1,000 gamerscore. It takes around 25-30 hours to unlock all of the achievements on Xbox One.
Sell 10 towers.
Beat a Chapter 4 mission or higher with zero cores captured.
Kill 10,000 aliens.
Play a DG Fighter Multiplayer mission.
Earn a Victory in a DG FighterMultiplayer mission.
Survive 100 waves on any Super Grinder challenge mode.
Build 100 Boost towers.
Survive 100 waves on Grinder challenge mode on any mission.
Earn a Bronze (or better) medal in a Coordinated Defense Multiplayer mission.
Earn a Gold medal in a Coordinated Defense Multiplayer Mission.
Build 50 towers of any type in one mission.
Build 100 Gun towers.
Use the Resource Reinforcement Special Weapon (Professor Briel).
Win a Gold medal on Mission 19 without using the Command Shuttle.
Win a mission with at least 10,000 resources remaining.
Build 20 towers of any type in one mission.
Kill an alien boss creature. (Juggernaut, Rumbler, Turtle, or Crasher)
Finish all the missions in Chapter 1 in Story Mode.
Kill 1000 aliens.
Enable a Tower Augmentation item on any tower.
Save a core that is less than 10 seconds away from the map's exit point.
Use the Orbital Laser Special Weapon (General Cai).
Kill 100 aliens.
Win a mission with at least 5,000 resources remaining.
Use the speed up control at 3x for a total of 60 seconds in any mission.
Earn a silver (or better) medal.
Kill 1 alien.
Earn a Gold Medal.
Recover a loose core.
Kill an alien carrying a power core.
Use the reload checkpoint option five times in a single mission.
Win any mission without selling any towers.
Use the Reload Checkpoint option.
Win a mission with at least 1,000 resources remaining.
Earn a Bronze (or better) medal in a Single Player Mission.
Upgrade a level 1 tower to a level 2 tower.
Earn a gold medal on every mission in Story mode.
Complete the single player campaign in Story Mode.
Build 100 Inferno towers.
Build at least 1 of each tower type in any single mission.
Using only Inferno towers, Win any Chapter 4 (or later) mission.
Build and fully upgrade each tower type in one mission.
Win a chapter 4 (or later) mission with level 3 towers only and no selling.
Use the Core Teleport special weapon (Professor Taylor).
Build 100 Meteor towers.
Using only Gun towers, Win any chapter 4 (or later) mission.
Build 100 Concussion towers.
Build 100 Tesla towers.
Sell 10 towers or more in a single mission.
Build 100 Cannon towers.
Use the command shuttle to move 6 map sections in Mission 6.
Earn 100 Gold Medals on any missions.
Using only level 1 towers, Win any Chapter 4 (or later) mission.
Use the Temporal Cannon Special Weapon (Colonel Rissler).
Build 100 Temporal towers.
Build 100 Laser towers.
Earn a silver medal (or better) on all missions in the Story mode.
Use the Tower Overcharge Special Weapon (Advisor Zacara).
Using only Cannon towers, Win any Chapter 4 (or later) mission.
Use the Precision Targeting Special Weapon (Rear Admiral Phillips).
Enable a Tower Augmentation Item on 10 Towers.
Build 100 Missile towers.
Build every tower and every upgrade for each tower.
Inspect 10 aliens.
Kill 50,000 aliens.