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Field Promotion
10
Earn at least one silver medal in any mission after The Awakening.
Salvage Rights
5
Destroy at least one boss alien.
Flawless Victory
15
Earn at least one gold medal in any mission after The Awakening.
Exterminator
20
Destroy 1000 aliens.
Death From Above
10
Fire the orbital laser.
Tower Expert
10
Build at least one of every tower type and available upgrade.
Nail Biter
15
Win a mission with the last remaining core less than 10 seconds away from the map exit.
Base Defender
20
Complete the Story mode in The Awakening campaign.
Siege Breaker
25
Survive all 99 waves on any Grinder challenge mode.
Planet Defender
20
Earn at least a silver medal on all Story mode missions in The Awakening campaign.
Alien Tears
20
Earn at least a gold medal on all Story mode missions in The Awakening campaign.
Master Strategist
30
Earn a gold medal on at least 40 Story or Challenge mode missions in any campaign.
Combat Turmoil
10
Earn a gold medal on the Campaign mode of Service Interruption and Height of Confusion.
Overflowing
Earn a gold medal on all the modes of Overflow.
Circular Hazard
Earn a gold medal on the Campaign mode of Risk Exposure and Roundabout.
Civil Divergence
Earn a gold medal on the Campaign mode of Urban Planning and Tactical Diversion.
Regional Deluge
Earn a gold medal on the Campaign mode of Kill Zone and Overflow.
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