Excerpt from GamesIndustry.biz:

Too many developers are making "cheap knock-offs" of successful games and holding back growth of the casual games market, according to Jason Kapalka, chief creative officer at PopCap Games.

With low development costs, studios are able to churn out copycat games in a short time, but these titles rarely make enough money for developers to grow past a hand-to-mouth existence, says the PopCap founder.

"Very few games are developed without reference to past games. There's always going to be titles that build on a previous mechanic or game. But there's a fine line between that and very bold-faced rip-offs that aren't adding anything to the game and are just trying to make a quick buck," said Kapalka, in an interview with GamesIndustry.biz.


Read more, full interview [source: Teeth]