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