The aim is to find and fix the biggest problems in virtual mode, before ground is struck in December.

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For example, the virtual mode is ideal for enhancing traditional two-channel stereo sources such as a CD by creating rear ambience.

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Used with the surround speakers attached, the HTL9100 operates as a single sidebar offering high quality stereo or a wide sound stage via virtual surround sound mode.

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The updated edition of the 24-year-old metropolis-building franchise released last Tuesday requires players to be online even if they're constructing virtual cities in the single-player mode.

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Valve Software's experiments with virtual reality, most recently exposed as a " VR Mode" of its popular free-to-play shooter Team Fortress 2, are actually just an offshoot of the company's longer-term goal: augmented reality.

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Save states have been a boon to 3DS owners not accustomed to the challenges of classic Nintendo games, and is a welcome addition to the full-sized Virtual Console setup -- after all, how else are we supposed to get a decent score in Balloon Trip mode?

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