A good bowling game is fun to kill a little time. No different then the other million games out there for your computer or whatever game system you prefer.
Compared to many games, bowling games are great because you don't have a two hour minimum commitment to get anywhere. You can sit down play a quick game or two and go on to other things. No different then solitaire or whatever games may interest you.
It is however nice if the game is somewhat decent. Most are not. For motion games the Wii bowling is very nice. I have no problem getting a lot of revs playing the Wii game, it usually has a high ball speed to match. If they took that game and expanded on it, that would make for a lot of fun.
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Be good, or be good at it.