It might control better if you weren't playing it in a browser though. Playing it online at least I don't think it's much fun, but that version talks and has better graphics, lets you play as different Doctors (2,4,7) and lets a second player play as The Brigadier or...Ace with black hair? And the "gun" is obviously a sonic screwdriver (although McCoy didn't use the sonic on the show) and the enemies look like Kaled soldiers and Ogerons.
The C64 game just looks like some random game with Daleks in it.
Wikipedia has an article on it:
I guess some versions had Davison rather than Troughton.