-
First Blood
Kill 1 alien.
58.8%
-
Happy Returns
Recover a loose core.
58.6%
-
Hey! That's Mine!
Kill an alien carrying a power core.
58.6%
-
Field Promotion
Earn at least one silver medal.
58.6%
-
Leadhead
Build 5 Gun towers.
57.9%
-
Eradicator
Kill 100 aliens.
57.8%
-
Surplus
Win with 1,000 resources remaining.
57.8%
-
Burn Baby Burn
Build 5 Inferno towers.
57.1%
-
Yellow Beats Green
Upgrade a tower.
55.8%
-
Salvage Rights
Destroy at least one boss alien.
55.8%
-
Penny Pincher
Win with 5,000 resources remaining.
55.3%
-
What Is That?
Inspect 10 aliens.
54.4%
-
I Spy
Activate reconnaissance system.
54.3%
-
Pew Pew
Build 5 Laser towers.
54%
-
Arsenal
Build 20 towers in one mission.
51.9%
-
Close Call
Save a core less than 10 seconds away from the map exit.
51.8%
-
Boot Camp
Finish the first 3 missions.
51.3%
-
Exterminator
Destroy 1000 aliens.
50.1%
-
No Sale
No towers sold in a single mission.
48%
-
Sharpshooter
Shoot down a flying alien.
47.8%
-
Not So Fast
Build 5 Temporal towers.
47.8%
-
Confident
Use speed up controls for a total of 30 seconds in any one mission.
47.5%
-
Great Ball Of Fire
Build 5 Meteor towers.
47%
-
Kaboom!
Build 5 Cannon towers.
45.9%
-
Liquidator
Sell 5 towers.
43.6%
-
Flawless Victory
Earn at least one gold medal.
40.4%
-
High Voltage
Build 5 Tesla towers.
39.3%
-
Filthy Rich
Win with 10,000 resources remaining.
37.4%
-
Death From Above
Fire the orbital laser.
37.3%
-
The Not-so-friendly Skies
Build 5 Missile towers.
34.9%
-
Pyrrhic Victory
Shoot down flying alien carrying a core.
34.6%
-
Retry
Reload an earlier save checkpoint.
34.1%
-
Power Builder
Build 6 towers within 10 seconds.
31.8%
-
Head Trauma
Build 5 Concussion towers.
27.3%
-
Annihilator
Kill 10,000 aliens.
21%
-
Overseer
Build 5 Command towers.
19.8%
-
Indecisive
Sell 10 towers in a single mission.
19.5%
-
Full Defense
Build 50 towers in one mission.
19.2%
-
Base Defender
Complete the Story mode.
14.2%
-
Tower Expert
Build every tower and upgrade.
11.6%
-
Diversity
Build all tower types in one mission.
10.2%
-
Full Potential
Beat an advanced mission with only level 3 towers and no selling.
10.1%
-
Siege Breaker
Survive 100 waves on the Grinder challenge mode.
10%
-
The Long Road
Alien time until exit exceeds 5 minutes.
8.8%
-
Relay Race
Witness 1 core handed off 10 times within 20 seconds.
7.7%
-
Gun Crazy
Beat an advanced mission with only Gun towers.
7.7%
-
Untouchable
Beat an advanced mission with zero cores captured.
7%
-
Minimalist
Beat an advanced mission with only level 1 towers.
6.3%
-
Nail Biter
Win mission with the last core less than 10 seconds away from the map exit.
5.9%
-
Well Invested
Gain 10000 resources from interest in a single mission.
4.3%
-
Shell-shocked
Beat an advanced mission with only Cannon towers.
4.2%
-
Full House
Build all upgrades of all tower types in one mission.
3.1%
-
Firebug
Beat an advanced mission with only Inferno towers.
2.8%
-
Planet Defender
Earn a silver medal on all missions in the Story mode.
2.5%
-
Xenocide
Kill 50,000 aliens.
2.1%
-
Alien Tears
Earn a gold medal on all missions in the Story mode.
1.8%
-
Master Strategist
Earn a gold medal on all Challenge modes.
0.4%