When playing a good game, there's quite a big wait after playing Royal Madness until you can start Battle for the Kingdom, and destroying those six castles involves a lot of risky shots at the castle gate!
The game callouts and the music can get repetetive after a while.
A design fault in that if you end up with two or more balls in the catapult, the game can't always clear them.
Not enough of these games were ever made!