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.
Using only Gun towers, Win any chapter 4 (or later) mission.
Sell 10 towers or more in a single mission.
Build 100 Missile towers.
Build at least 1 of each tower type in any single mission.
Build and fully upgrade each tower type in one mission.
Build 100 Laser towers.
Build every tower and every upgrade for each tower.
Build 100 Tesla towers.
Build 100 Temporal towers.
Build 100 Concussion towers.
Build 100 Meteor towers.
Build 100 Inferno towers.
Using only Inferno towers, Win any Chapter 4 (or later) mission.
Earn a gold medal on every mission in Story mode.
Complete the single player campaign in Story Mode.
Earn a silver medal (or better) on all missions in the Story mode.
Win a Gold medal on Mission 19 without using the Command Shuttle.
Use the Core Teleport special weapon (Professor Taylor).
Use the Precision Targeting Special Weapon (Rear Admiral Phillips).
Build 100 Cannon towers.
Use the Temporal Cannon Special Weapon (Colonel Rissler).
Use the Tower Overcharge Special Weapon (Advisor Zacara).
Win a mission with at least 10,000 resources remaining.
Use the Resource Reinforcement Special Weapon (Professor Briel).
Inspect 10 aliens.
Enable a Tower Augmentation item on any tower.
Sell 10 towers.
Build 100 Boost towers.
Kill 10,000 aliens.
Use the command shuttle to move 6 map sections in Mission 6.
Survive 100 waves on any Super Grinder challenge mode.
Beat a Chapter 4 mission or higher with zero cores captured.
Build 50 towers of any type in one mission.
Build 100 Gun towers.
Survive 100 waves on Grinder challenge mode on any mission.
Finish all the missions in Chapter 1 in Story Mode.
Use the reload checkpoint option five times in a single mission.
Kill an alien boss creature. (Juggernaut, Rumbler, Turtle, or Crasher)
Win a mission with at least 5,000 resources remaining.
Kill 1000 aliens.
Win a mission with at least 1,000 resources remaining.
Build 20 towers of any type in one mission.
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.
Use the Orbital Laser Special Weapon (General Cai).
Kill 100 aliens.
Earn a silver (or better) medal.
Kill 1 alien.
Earn a Gold Medal.
Recover a loose core.
Kill an alien carrying a power core.
Win any mission without selling any towers.
Use the Reload Checkpoint option.
Earn a Bronze (or better) medal in a Single Player Mission.
Upgrade a level 1 tower to a level 2 tower.
Earn a Bronze (or better) medal in a Coordinated Defense Multiplayer 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.
Earn 100 Gold Medals on any missions.
Using only level 1 towers, Win any Chapter 4 (or later) mission.
Using only Cannon towers, Win any Chapter 4 (or later) mission.
Enable a Tower Augmentation Item on 10 Towers.
Play a DG Fighter Multiplayer mission.
Earn a Victory in a DG Fighter Multiplayer mission.
Kill 50,000 aliens.