Here is the full list of all 25 7th Sector achievements.
Final 4
Phantom in a brick house
Water the lawn
Free a prisoner
Phantom in base C 512
Run starter
Phantom
Do not shoot!
Kill the man in the factory
Yes, wait for phantom again !
Destroy the first machine gun
Off the transformer after the conveyor
TV phantom on the train
Another phantom in the apartment
Wait for TV phantom
Well, try again
100 deaths
Wait for the train at the factory
Final 1
Final 2
Final 3
Robots are people too
Download all images from HD
Activate all phantoms