1. Do NOT kill the guard before getting quest.
2. Do NOT give the Toy before getting quest.
3. Do NOT kill Milos at first. Remove your weapon, get the Green Container, then kill him.
4. Do NOT kill the trader in the box, give him the Green Container first.
5. To do the Fission Mailed, use the green COntainer with Bomb on the Worm then enter the building and try shooting the robot.