Salvage Rights
Not unlocked yetDestroy at least one boss alien.
Field Promotion
Not unlocked yetEarn at least one silver medal.
Death From Above
Not unlocked yetFire the orbital laser.
Siege Breaker
Not unlocked yetSurvive 100 waves on the Grinder challenge mode.
Flawless Victory
Not unlocked yetEarn at least one gold medal.
Base Defender
Not unlocked yetComplete the Story mode.
Planet Defender
Not unlocked yetEarn a silver medal on all missions in the Story mode.
Master Strategist
Not unlocked yetEarn a gold medal on any 100 missions in The Awakening campaign.
Exterminator
Not unlocked yetDestroy 1000 aliens.
Tower Expert
Not unlocked yetBuild every tower and upgrade.
Alien Tears
Not unlocked yetEarn a gold medal on all missions in the Story mode.
Nail Biter
Not unlocked yetWin mission with the last core less than 10 seconds away from the map exit.
Indecisive
Not unlocked yetSell 10 towers in a single mission.
Untouchable
Not unlocked yetBeat an advanced mission with zero cores captured.
Close Call
Not unlocked yetSave a core less than 10 seconds away from the map exit.
Happy Returns
Not unlocked yetRecover a loose core.
Relay Race
Not unlocked yetWitness 1 core handed off 10 times within 20 seconds.
Well Invested
Not unlocked yetGain 10000 resources from interest in a single mission.
Power Builder
Not unlocked yetBuild 6 towers within 10 seconds.
The Long Road
Not unlocked yetAlien time until exit exceeds 5 minutes.
No Sale
Not unlocked yetNo towers sold in a single mission.
Hey! That's mine!
Not unlocked yetKill an alien carrying a power core.
Diversity
Not unlocked yetBuild all tower types in one mission.
Full House
Not unlocked yetBuild all upgrades of all tower types in one mission.