Im on hydroponics and for some reason there werent 2 vials of toxn a in the room where there should be 2 so I canät seem to complete the mission... Now I wonder if there's any way to restart a lvl, some cheat code or downloadable save files
Perhaps one of the Vials fell to the floor?
However, I'm pretty sure that there are 5 vials of Toxin-A scattered around Deck 3. So, if you're missing 1, you should still be okay to finish the objective.
Edit to add: I don't know of any way to restart except to reload an old save.