Here is the full list of all 50 Earth Defense Force: Insect Armageddon achievements worth 1,000 gamerscore.
Preying ON Mantis
1000? There must be a jillion of those things! Get busy!
You want a medal for that?
Tick…Tick….
The bigger they are….
Well he's a long gone daddy….
We mean it Man…..
Mmmmm…Gunships
Total Nest-ruction!
Sharp dressed man
Good Job! Now do it more!
You litterbug
Easy Peazey
The Queen is dead!
Empty nest
Drop the Bombers!
What's a Hector?
100? That's nothing!
Kill 10000 Ants
Make it through 5 Survival Mode Waves in One Session
Kill 10000 Spiders
Kill 5000 Ticks
Kill 100 Small Hectors
Kill 100 Wasps
Destroy 1000 Gunships
Destroy 10000 Gunships
Kill 5000 enemies
Survive 100 (total) waves in Survival mode.
Kill 25000 Enemies
Destroy 10 Carriers
Destroy 100 Carriers
Destroy 100 Anthills/Spider Nests
Collect All Dropped Weapons
Incapacitate a teammate
Level up an armor completely
Level up all armors completely
Purchase all available weapons for a single armor
Purchase all weapons for all armors
Revive 250 teammates
Survive 500 (total) waves in Survival mode
Get 1000 kills in Survival mode
Get 10000 kills in Survival mode
Get 250 kills with the Lander Turret
Get 500 kills with the Mech
Get 500 kills with the Tank
Get 500 kills with Base Turrets
Destroy 500 buildings
Destroy 500 cars/vehicles
Beat the game on Hard
Beat the game on Inferno