Use the command shuttle to move 6 map sections in Mission 6.
Use the Core Teleport special weapon (Professor Taylor).
Build 100 Laser towers.
Use the Precision Targeting Special Weapon (Rear Admiral Phillips).
Build 100 Missile towers.
Win a chapter 4 (or later) mission with level 3 towers only and no selling.
Using only level 1 towers, Win any Chapter 4 (or later) mission.
Using only Gun towers, Win any chapter 4 (or later) mission.
Using only Inferno towers, Win any Chapter 4 (or later) mission.
Build 100 Tesla towers.
Build 100 Cannon towers.
Beat a Chapter 4 mission or higher with zero cores captured.
Kill 10,000 aliens.
Build 100 Meteor towers.
Inspect 10 aliens.
Win a mission with at least 10,000 resources remaining.
Build and fully upgrade each tower type in one mission.
Sell 10 towers or more in a single mission.
Win a mission with at least 5,000 resources remaining.
Build every tower and every upgrade for each tower.
Build 100 Inferno towers.
Build at least 1 of each tower type in any single mission.
Use the Temporal Cannon Special Weapon (Colonel Rissler).
Sell 10 towers.
Build 100 Boost towers.
Build 100 Gun towers.
Enable a Tower Augmentation item on any tower.
Use the Resource Reinforcement Special Weapon (Professor Briel).
Kill an alien boss creature. (Juggernaut, Rumbler, Turtle, or Crasher)
Build 50 towers of any type in one mission.
Use the Tower Overcharge Special Weapon (Advisor Zacara).
Kill 1000 aliens.
Finish all the missions in Chapter 1 in Story Mode.
Use the speed up control at 3x for a total of 60 seconds in any mission.
Kill 100 aliens.
Earn a Gold Medal.
Recover a loose core.
Kill an alien carrying a power core.
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 Orbital Laser Special Weapon (General Cai).
Earn a silver (or better) medal.
Kill 1 alien.
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.
Earn a Gold medal in a Coordinated Defense Multiplayer Mission.
Build 100 Concussion towers.
Use the reload checkpoint option five times in a single mission.
Earn 100 Gold Medals on any missions.
Build 100 Temporal towers.
Earn a silver medal (or better) on all missions in the Story mode.
Complete the single player campaign in Story Mode.
Using only Cannon towers, Win any Chapter 4 (or later) mission.
Enable a Tower Augmentation Item on 10 Towers.
Win a Gold medal on Mission 19 without using the Command Shuttle.
Play a DG Fighter Multiplayer mission.
Earn a Victory in a DG FighterMultiplayer mission.
Kill 50,000 aliens.
Survive 100 waves on any Super Grinder challenge mode.
Survive 100 waves on Grinder challenge mode on any mission.
Earn a Bronze (or better) medal in a Coordinated Defense Multiplayer mission.
134946
5877
59
174
189
552
150
15
9
0