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