Gamers see via the web the first detailed sword-swinging action from the Cary videogame company’s first title for the Mac operating system in a video trailer released on YouTube.

the 3-D sword fighting game is being developed by Epic’s ChAIR Entertainment subsidiary, which is based in Utah.

Infinity Blade is designed for players using Apple mobile devices such as the iPhone, iPad and iPod Touch.

In September, Epic executives disclosed their expansion from Windows PCs and standard videogame platforms into Apple with a surprise appearance at an Apple media event.

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