Engima means puzzle.

I know this.

I dig this series. Might be a little nitpicking, but the “PH of 0.8 matches that of battery acid” seems off. Would it work better to have your guy think that line or maybe just cut it and have the computer say “acidic PH of .8”

Sounds like he’s not trying to save Earth, he’s just got some kind of super-important unfinished business that somehow won’t have been affected by global apocalypse… I’m stumped!

More good work – doesn’t pack quite as much punch as it’s predecessors but it’s a means to and end – we’re getting somewhere… MH :)