Full list of all 20 Falling Skies achievements worth 1,000 gamerscore. It takes around 40-50 hours to unlock all of the achievements on Xbox 360.
Rescue the doctor in the "Medical Emergency" mission
Help Pope destroy dormant Mech units in the "Planned Obsolescence" mission.
Deactivate the Espheni bombs in the "Defuse the Situation" mission.
Collect the food supplies in the "Scrounging for Scraps" mission.
Collect the toxic waste in the "Fighting Dirty" mission.
Defeat all of the enemies in the "Shipyard Slaughter" mission.
Put all of the devices in the water in the "Deploy the Buoys" mission.
Assist your allies in breaking through the barrier in the "Allied Assault" mission.
Clear out the air vents in the "Crawly Crematorium" mission.
Defeat Mech-Leg to claim victory over the Espheni in the final story mission.
Maximize your squad and roster size by unlocking all of the available slots.
Learn how to train elite soldiers in the Armory.
Unlock Field Medic Training.
Learn how to create defibrillators in the Infirmary.
Create all of the Volm weapons in the Workshop.
Start manufacturing the Incendiary Rocket and Incendiary Shells
Learn how to make medium armor in the Workshop.
Learn how to craft the Chaotic Scrambler in the Workshop.
Reach level 10 with all unit classes.
Send a solider of each class into elite training.