"Greyhawk Ruins" is much, much better than the joke "Castle Greyhawk." When I call it "deeply imperfect" I don't mean to suggest that it is awful, but parts of it definitely approach awful. Basically, in trying to cover 20+ dungeon levels in one product, the whole thing comes off like an outline rather than an actual adventure. The map lacks a grid and often fails to match the text. Most of the encounters are rather pedestrian (of the "this room contains 8 orogs. They fight when the door is opened" variety). The Greyhawk connections are tenuous, and often don't make a lot of sense in light of parallel setting development. Whole articles have been posted to the internet to explain what the heck the wizards in the Ring of Five are doing, and most of them involve swapping out two or three members to better fit continuity. No effort whatsoever is given to explaining the group within the context of the module, however. There are _way_ too many orogs, ogrons, and super-orcs running about. Zagyg is, in many places, treated as little more than a clown.
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