There are four difficulty levels like Simple, Medium, Difficult and Challenge.

有四个一样简单，中等，困难和挑战的难度级别。

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You can now experience stunning graphics, multiple difficulty levels, pop-up menus, and more.

现在，您可以体验惊人的图形，多的困难，各级，弹出式菜单，和更多。

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Defeat multiple waves and work your way past enemy lords to kill the king at multiple difficulty levels!

战胜多波敌人，击败敌方领主，你将在更高的难度中与国王对决！

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The different paths have different levels of difficulty.

VOA: special.2009.12.09

Awakening can be tuned to casual or classic play with various difficulty levels.

FORBES: 'Fire Emblem: Awakening' Review (3DS)

As for those who're picking this up to learn guitar, the ramping difficulty levels in Pro mode are very smartly executed.

ENGADGET: Rock Band 3 Pro guitar preview: the guitarist vs. the guitar hero

But as of now, we had no sense that there are varying difficulty levels, which adds greater challenges but yields greater rewards.

FORBES: A First Look at the Upcoming MMO 'Marvel Heroes'