No missable achievements (plus 69 unknown)
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Earn Bronze on a Single Player mission.
Kill 1 alien.
Upgrade a level 1 tower to a level 2 tower.
Kill 100 aliens.
Earn a silver (or better) medal.
Kill an alien carrying a power core.
Recover a loose core.
Earn a Gold Medal.
Win any mission without selling any towers.
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.
Win a mission with at least 1,000 resources remaining.
Kill 1000 aliens.
Use the Orbital Laser Special Weapon (General Cai).
Use the speed up control at 3x for a total of 60 seconds in any mission.
Kill an alien boss creature. (Juggernaut, Rumbler, Turtle, or Crasher)
Build 100 Boost towers.
Enable a Tower Augmentation item on any tower.
Finish all the missions in Chapter 1 in Story Mode.
Build 50 towers of any type in one mission.
Use the Reload Checkpoint option.
Sell 10 towers.
Win a mission with at least 5,000 resources remaining.
Use the Resource Reinforcement Special Weapon (Professor Briel).
Build 100 Gun towers.
Build at least 1 of each tower type in any single mission.
Beat a Chapter 4 mission or higher with zero cores captured.
Use the Tower Overcharge Special Weapon (Advisor Zacara).
Kill 10,000 aliens.
Inspect 10 aliens.
Use the reload checkpoint option five times in a single mission.
Win a mission with at least 10,000 resources remaining.
Sell 10 towers or more in a single mission.
Build 100 Cannon towers.
Complete the single player campaign in Story Mode.
Win a Gold medal on Mission 19 without using the Command Shuttle.
Enable a Tower Augmentation Item on 10 Towers.
Build 100 Laser towers.
Earn a silver medal (or better) on all missions in the Story mode.
Win a chapter 4 (or later) mission with level 3 towers only and no selling.
Build and fully upgrade each tower type in one mission.
Build every tower and every upgrade for each tower.
Use the Temporal Cannon Special Weapon (Colonel Rissler).
Build 100 Inferno towers.
Build 100 Missile towers.
Survive 100 waves on Grinder challenge mode on any mission.
Build 100 Meteor towers.
Earn a gold medal on every mission in Story mode.
Survive 100 waves on any Super Grinder challenge mode.
Earn Bronze in a Co-Op Multiplayer mission.
Build 100 Concussion towers.
Build 100 Temporal towers.
Build 100 Tesla towers.
Use the Precision Targeting Special Weapon (Rear Admiral Phillips).
Use the Core Teleport special weapon (Professor Taylor).
Earn a Gold medal in a Coordinated Defense Multiplayer Mission.
Using only Gun towers, Win any chapter 4 (or later) mission.
Play a DG Fighter Multiplayer mission.
Use the command shuttle to move 6 map sections in Mission 6.
Using only Cannon towers, Win any Chapter 4 (or later) mission.
Kill 50,000 aliens.
Using only Inferno towers, Win any Chapter 4 (or later) mission.
Using only level 1 towers, Win any Chapter 4 (or later) mission.
Earn a Victory in a DG FighterMultiplayer mission.
Earn 100 Gold Medals on any missions.