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