I initially had my doubts - it all seemed very odd and I managed to get nowhere very quickly. But slowly, pennies dropped and the game opened out to show itself to be at least as good as its predecessor.
Although it has its share of oddities, they're far outweighed by positive points... Recommended to anyone who's forgotten what a text-only adventure is like and who fancies a quick quest with no intruding graphics.
If exploring Berlin, talking to drunks and visiting every accessible establishment on every street in an effort to find the odd clue sounds like fun to you, well, I recommend this sleuthing RPG. Otherwise, forget it.