You can see the solution of all puzzles including all achievements in the following video :


Achievements:
2:22 Test Task : Hack the first vault
9:53 Beginner Electrician : Replace the fuses
20:42 Screwdriver : Find the screwdriver
30:35 Batteries : Find the batteries
41:19 Additional Data : Find the data floppy disk
57:04 Holographic Scanner : Find the holographic device
1:11:07 Job completed! : Restore the biomatrix
1:11:37 Contract Termination : Die from gas poisoning
1:17:07 Something is wrong here : Open the hidden hatch
1:19:45 Researcher : Open the secret passage
1:24:36 Safe Cracker : Open all safes
1:29:38 Beginner Chemist : Successfully synthesize the substance
1:31:00 Savior : Complete the game
1:32:39 Accident : Die from a fall


Have fun !