Here is the full list of all 37 Earth Under Siege achievements.
Built only Missile, Machine gun or Mine turrets in the first 30 minutes
Reach the 20 minute mark with four or more different turret types
Survive without turrets for 7 and a half minutes
Reach the 25 minute mark without evolving a turret
Survive 15 minutes without using the keyboard
Play with all 24 turrets at least once
Survive 10 minutes without using skills
Destroy 20.000 interceptors
Destroy 1.000 Heavy Interceptors
Destroy 10.000 Clusters
Destroy 500 Smokes
Destroy 250 Spawners
Destroy 15.000 Asteroids
Repel 750 Immortals
Use the Nuke 200 times
Use EnergySurge 400 times
Use Overpower 400 times
Upgrade turrets 1.000 times
Reflect 1.000.000 shots
Recycle 2.000 turrets
Regenerate 10.000.000 HP
Unlock every single turret and evolution
Stun 150 Immortals
Play the Survival 100 times
Destroy 250 Turret Killers before they drop their green bubble
Survive 6 minutes without taking damage
Defeat the Carrier without getting hit by it
Play the Survival mode for more than 25 minutes taking no damage from Heavy Interceptors
Play the Survival mode for more than 25 minutes taking no damage from Asteroids
Defeat the Tentacle under 50 seconds
Survive 50 minutes on Survival
Complete all Training stages
Defeat Level 2 Teleporter
Get bronze / silver / gold medal on the leaderboard
Defeat the Hologram without hitting any of his illusions
Take no lasers from the Teleporter
Get ranked on top 500