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.
Use the Resource Reinforcement Special Weapon (Professor Briel).
Enable a Tower Augmentation item on any tower.
Finish all the missions in Chapter 1 in Story Mode.
Use the Tower Overcharge Special Weapon (Advisor Zacara).
Kill 1000 aliens.
Win a mission with at least 10,000 resources remaining.
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.
Kill 100 aliens.
Use the Orbital Laser Special Weapon (General Cai).
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.
Inspect 10 aliens.
Upgrade a level 1 tower to a level 2 tower.
Earn a gold medal on every mission in Story mode.
Kill 10,000 aliens.
Build 20 towers of any type in one mission.
Complete the single player campaign in Story Mode.
Earn a Bronze (or better) medal in a Coordinated Defense Multiplayer mission.
Build 100 Inferno towers.
Save a core that is less than 10 seconds away from the map's exit point.
Build at least 1 of each tower type in any single mission.
Using only Inferno towers, Win any Chapter 4 (or later) mission.
Build 50 towers of any type in one 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.
Earn a Gold medal in a Coordinated Defense Multiplayer Mission.
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.
Build 100 Gun towers.
Sell 10 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.
Kill an alien boss creature. (Juggernaut, Rumbler, Turtle, or Crasher)
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.
Win a Gold medal on Mission 19 without using the Command Shuttle.
Build every tower and every upgrade for each tower.
Play a DG Fighter Multiplayer mission.
Earn a Victory in a DG Fighter Multiplayer mission.
Build 100 Boost towers.
Kill 50,000 aliens.
Survive 100 waves on any Super Grinder challenge mode.
Survive 100 waves on Grinder challenge mode on any mission.
Beat a Chapter 4 mission or higher with zero cores captured.