Hell, it doesn't even really stand out from the pack of quasi-shareware cheapies that department stores use to take up extra shelf space in their electronics sections. Cue Club is an outstanding time-killer. A significant range of options is what you'll first notice. The rules for each can be altered as you see fit. In-game physics can also be tweaked, in case you'd like to speed up or slow down how a particular table plays.
Balls move exactly as they're supposed to.
In more than three dozen matches, I never witnessed a shot or carom that would be out of place in the real world. Bulldog simply did an astounding job in this department. Computer players are varied in terms of skill, though even the poorer ones aren't the typical mouth-breathers served up by sports game developers. All go about their business with a fair bit of intelligence, and will go so far as to think ahead one or two shots. This is most apparent when playing snooker.