Xen just ended up too long, imo. They should have released it as a free DLC and stayed more true to the source.
I really felt like the pacing suffered too much as a consequence. Everything up until then gives you the impression that you are heading towards the grand finale and Black Mesa is suddenly like: “Solve some more puzzles for the next 2-3 hours”.
spoiler
Xen just ended up too long, imo. They should have released it as a free DLC and stayed more true to the source.
I really felt like the pacing suffered too much as a consequence. Everything up until then gives you the impression that you are heading towards the grand finale and Black Mesa is suddenly like: “Solve some more puzzles for the next 2-3 hours”.
I liked it but that really threw me off.