Considering the source, one should expect this to be very old-fashioned -- and it is. Descriptions are minimal. The setting is stark and lacks atmosphere. There is no particular explanation for how things got to where they are. Combat is randomized, and is affected by the weapons the player happens to be carrying when he attacks a monster, but otherwise uncontrollable once it starts. There's also not much one could describe as a puzzle here. One wanders from room to room, picking up treasures and killing monsters, until one reaches the far side of the castle and has one's final score totted up.
Looked at another way, the whole game could be an optimization puzzle, to find the best route through the game to collect all the treasures and kill all the monsters while spending as little as possible on supplies and rations. (Hunger is implemented in this game, but in an unusual way: instead of counting down per turn, the player loses strength each time he travels from room to room, and can regain it only by eating rations, which cost $2 each.)
Personally, I didn't find it enough fun to want to play over and over in search of a best path, but some people might.
If this were a modern game, I'd give this two stars; considering the source, I'm leaving it unrated.