Defense Grid - Achievements

Salvage Rights
Reward: 5 Points
Objective: Destroy at least one boss alien.

Field Promotion
Reward: 10 Points
Objective: Earn at least one silver medal in any mission after The Awakening.

Death From Above
Reward: 10 Points
Objective: Fire the orbital laser.

Tower Expert
Reward: 10 Points
Objective: Build at least one of every tower type and available upgrade.

Flawless Victory
Reward: 15 Points
Objective: Earn at least one gold medal in any mission after The Awakening.

Nail Biter
Reward: 15 Points
Objective: Win a mission with the last remaining core less than 10 seconds away from the map exit.

Base Defender
Reward: 20 Points
Objective: Complete the Story mode in The Awakening campaign.

Planet Defender
Reward: 20 Points
Objective: Earn at least a silver medal on all Story mode missions in The Awakening campaign.

Exterminator
Reward: 20 Points
Objective: Destroy 1000 aliens.

Alien Tears
Reward: 20 Points
Objective: Earn at least a gold medal on all Story mode missions in The Awakening campaign.

Siege Breaker
Reward: 25 Points
Objective: Survive all 99 waves on any Grinder challenge mode.

Master Strategist
Reward: 30 Points
Objective: Earn a gold medal on at least 40 Story or Challenge mode missions in any campaign