Um... shadow? Games aren't meant to be realistic, normally. you can tell by the cartoony graphics that it's not really realistic. Also, it's supposedly like Super Mario Galaxy's blackholes: Each one pulls on the ball. It's fun, and (i just figured out) It's kind of like each planet's gravitational field is like a small "pit" in real mini golf, the kind that are little bowls in the field.
('scuse me for that)
Richman, don't rate down a game just because Kong makes it kinda laggy.
And it's not 30 pounds, it's about, maybe 7 euros (or whatever) for a year's subscription. (12.99$)