Well having seen the excellent Westworld, I took the plunge and purchased the sequel - Futureworld.
Cynically, I could have guessed that this film has little to do with the original, and I would be right.
Futureworld features out of control robots as does Westworld, but here the comparison ends.
The film itself takes a good twenty minutes to get going, and once it does there is some plot to keep you watching.
The main characters are not a patch on those in Westworld however, and really this is one of it's main problems. They appear to be acting, and are not natural. Some of the lines are cringe making and as the other reviewer has pointed out here, Yul Brynner does not star in the movie at all - hence the box image of the DVD is misleading.
Now there is a good 'twist' at the end which I shall let you find out about yourself, however it is wasted due the very last scene - it being so bad, I thought it was a joke! It's as if the director packed his/her bangs and left the set, worn out - which to be honest is how you will feel after watching.
Only buy the movie if you appreciate it is not going to match Westworld in any way. There is little action, and the plot is going nowhere fast in terms of being dynamic and challenging.
The ideas are fine, some indeed are quite original - yet the execution of the idea, is a nightmare.
A great shame.