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Rockstar's Dan Houser said f--- it.

Nintendo said it doesn't exist.

And whatever it is, EA said that "The Sims" isn't it.

So what is "casual gaming"?

According to the Merriam-Webster Dictionary, the definition of "casual" is something "occurring without regularity," "occasional," "employed for irregular periods, "met with on occasion and known only superficially" and "lacking a high degree of interest or devotion" or "done without serious intent or commitment."

However, in gaming, the term "casual" is used to refer to a genre of games. But what really defines a "casual game"? Is it the core audience that plays it? Is it the kind of gameplay a title offers? Or a game's wide-spread appeal?

When Nancy Smith, Global President of "The Sims" at EA, was asked about the label "casual," she said, "I don't think of ["The Sims"] as casual. We were one of the first games that started to attract a broad audience. We were one of the first games that bought in women."

Meanwhile, Nintendo Europe's senior marketing director Laurent Fischer told CVG he thinks the idea of the casual gamer is a myth entirely: "For me, you are a gamer or non-gamer... I think most of you know that you can spend ten or twenty hours on an internet flash game and have not realised. The guy who plays these games regularly - he's a core gamer."

As for the word "casual," he said, "I don't like this word casual so much. Because people consider that casual needs to be something easy. If you're good at any game you can play at a high difficulty level. There is no casual gaming. There is just a different way to play."

Clearly, casual games are booming. Why are publishers suddenly uncomfortable with the "c" word? What do you think defines a "casual gamer" or a "casual game"? Should the term "casual" be embraced or tossed out?