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