It really is more of a King's Quest spin-off, despite what Roberta's INTENTIONS were. What she planned, and what got released are two different things.
what she planned, is what got released more or less. What she planned was never going to be what fans saw as a KQ game.
It was always going to be 3D, it was always going not have the royal family as playable characters (they were always going to be turned to stone and rescued by a statue or peasant), it was always going to have combat. It was always going to have the super mario/tomb raider jumping/action elements.
What was going to be released, was going to have even more combat and more bosses! Which means as planned from the start, it was going to unlikely be KQ like (by certain fans viewpoints).
As early as 1994/1995 just as she was finishing Phantasmagoria, and starting on KQ8, she was comparing the game to Doom, Duke Nukem and quite a few other assorted, non-KQ games. So ya, what she planned, is more or less what it became...
Of the many things we know that were cut from the earliest version, most of those were to be bosses! The leprechaun/red cap goblin was a boss in the Castlekeep Ruins. Those iterations of the boss became the Spriggan leader! The hydra was another boss, the three-headed dragon, another boss, etc.
There was to be an introductory cutscene for the Swamp Witch, where she tricked you into coming into her castle, before you had to fight her! They moved the boss fight outside of the castle instead.
In fact Roberta admits back in 1997 that they were pretty much were designing combat sequences and storyline first. In her words, because she had never done that type of game play before, and she wanted to get it right, puzzles were something she knew she could finish much faster (as she had experience with them)... They were going to do puzzles later on (this was in 1997), in 1997 they hadn't even gotten to the puzzles! So almost everything we know about that era or previous years is purely the combat or action sequences only!
They wouldn't even get to the puzzles (at least not in the game for screenshot purposes) until late 1997, or 1998!
Do NOT gain any preconceived ideas which may be wrong about this game from some preliminary screen shots which you will see at this early date. As time goes on we will supply you with more screen shots which will show other aspects of this game which are not "fighting" oriented. The reason it appears that this game is all about that is because we have not ever done a game which has that element so we're concentrating on that element right now. The other elements; the story elements, the character elements, the animation elements, the inventory object elements, the puzzle elements...are all stuff we've done before and will be much easier for us to put in place....we just haven't done those yet.....therefore, you're getting a skewed view of this game which is WRONG.-Roberta, July 1997
Meanwhile, Bob Davidson and his wife only saw the action/violence being designed in the game (and satanic characters), and wanted it all removed! They were sending in their manager goons to try to push their more sanitized non-violent version of KQ8 without Roberta's input, with its own puzzles ideas. Making Roberta feel as if she had lost all control...