Six types of sport modes, 12 types of difficulty levels, 7 types of fat measuring standards;

六种运动模式、十二种难度级别、七种脂肪测定标准；

youdao

The rewards and difficulty levels for the Missions of the Day have changed according to the completion difficulty level and completion time.

每日任务的奖励和难度等级按照完成的难度和完成时间变更。

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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'