Cancelled NBC game show 1 vs 100 made its way from TV, to the Xbox Live Primetime Network and now is tackling gaming’s fastest growing frontier, Facebook.

Casual game publisher iWin and TV production company Endemol USA have issued a press release revealing a 1 vs 100 game is coming to Facebook Spring 2011.

Casual games are both convenient and relatively inexpensive. For $20 you can often download a game that will last you for many weeks, offering addictive puzzles and plenty of finger-flickin’ fun. Hoping to cash in on the market, online sales behemoth Amazon now offers several games in its beta download section for $7 to $10. That’s a nice price for gamers but not so good for the economically precarious game companies developing the games.

According to Venture Beat, companies including PopCap Games and iWin and have already parted ways with Amazon’s new Games Download section. Games that usually start at $20 each are being undercut by Amazon’s low starting prices and casual game companies want to …