First Blood
Objective: Kill 1 alien.
Happy Returns
Objective: Recover a loose core.
Hey! That's mine!
Objective: Kill an alien carrying a power core.
Field Promotion
Objective: Earn at least one silver medal.
Leadhead
Objective: Build 5 Gun towers.
Eradicator
Objective: Kill 100 aliens.
Surplus
Objective: Win with 1,000 resources remaining.
Yellow Beats Green
Objective: Upgrade a tower.
Burn Baby Burn
Objective: Build 5 Inferno towers.
Salvage Rights
Objective: Destroy at least one boss alien.
Penny Pincher
Objective: Win with 5,000 resources remaining.
Pew Pew
Objective: Build 5 Laser towers.
Close Call
Objective: Save a core less than 10 seconds away from the map exit.
What IS that?
Objective: Inspect 10 aliens.
Arsenal
Objective: Build 20 towers in one mission.
I Spy
Objective: Activate reconnaissance system.
Exterminator
Objective: Destroy 1000 aliens.
Not So Fast
Objective: Build 5 Temporal towers.
Sharpshooter
Objective: Shoot down a flying alien.
No Sale
Objective: No towers sold in a single mission.
Boot Camp
Objective: Finish the first 3 missions.
Confident
Objective: Use speed up controls for a total of 30 seconds in any one mission.
Flawless Victory
Objective: Earn at least one gold medal.
Great Ball of Fire
Objective: Build 5 Meteor towers.
Kaboom!
Objective: Build 5 Cannon towers.
Liquidator
Objective: Sell 5 towers.
Filthy Rich
Objective: Win with 10,000 resources remaining.
High Voltage
Objective: Build 5 Tesla towers.
Death From Above
Objective: Fire the orbital laser.
The Not-So-Friendly Skies
Objective: Build 5 Missile towers.
Pyrrhic Victory
Objective: Shoot down flying alien carrying a core.
Power Builder
Objective: Build 6 towers within 10 seconds.
Head Trauma
Objective: Build 5 Concussion towers.
Retry
Objective: Reload an earlier save checkpoint.
Overseer
Objective: Build 5 Command towers.
Annihilator
Objective: Kill 10,000 aliens.
Full Defense
Objective: Build 50 towers in one mission.
Base Defender
Objective: Complete the Story mode.
Indecisive
Objective: Sell 10 towers in a single mission.
Tower Expert
Objective: Build every tower and upgrade.
Relay Race
Objective: Witness 1 core handed off 10 times within 20 seconds.
Full Potential
Objective: Beat an advanced mission with only level 3 towers and no selling.
The Long Road
Objective: Alien time until exit exceeds 5 minutes.
Diversity
Objective: Build all tower types in one mission.
Siege Breaker
Objective: Survive 100 waves on the Grinder challenge mode.
Gun Crazy
Objective: Beat an advanced mission with only Gun towers.
Untouchable
Objective: Beat an advanced mission with zero cores captured.
Nail Biter
Objective: Win mission with the last core less than 10 seconds away from the map exit.
Minimalist
Objective: Beat an advanced mission with only level 1 towers.
Xenocide
Objective: Kill 50,000 aliens.
Well Invested
Objective: Gain 10000 resources from interest in a single mission.
Shell-shocked
Objective: Beat an advanced mission with only Cannon towers.
Planet Defender
Objective: Earn a silver medal on all missions in the Story mode.
Few and Proud
Objective: Volunteered to take part and completed the mission! You may now recruit another group.
Full House
Objective: Build all upgrades of all tower types in one mission.
Alien Tears
Objective: Earn a gold medal on all missions in the Story mode.
Firebug
Objective: Beat an advanced mission with only Inferno towers.
Combat Turmoil
Objective: Earn a gold medal on the Campaign mode of Service Interruption and Height of Confusion.
Regional Deluge
Objective: Earn a gold medal on the Campaign mode of Kill Zone and Overflow.
Civil Divergence
Objective: Earn a gold medal on the Campaign mode of Urban Planning and Tactical Diversion.
Circular Hazard
Objective: Earn a gold medal on the Campaign mode of Risk Exposure and Roundabout.
Overflowing
Objective: Earn a gold medal on all the modes of Overflow.
Master Strategist
Objective: Earn a gold medal on all Challenge modes.
Top of the Class
Objective: Earn a gold medal on all the modes of Tony's Training and C.H.A.S.
