Pros:

>Nice enviroment
>Interesting map design
>Cool details, like original saferooms
>A lot of puzzles

Cons:

>Some puzzles can be tedious
>Some crescendos don't display the incoming attack message
>Lack of navigation
>Bots get stucked sometimes
>Finale confusing
>Too many hordes sometimes
>Some puzzles makes no sense at all (not really an issue)

Conclusion:

Cool enough, but no more