Microsoft's Halo 3: ODST has attracted over 5 million unique players since launch, racking up over 116 million hours of gameplay on Xbox Live, according to the company.

The stats were released as NPD data showed that Halo 3: ODST sold over 1.52 million units during September, making it the best-selling game for the month.

The company also noted that during September, third-party sales on the Xbox 360 accounted for over $154 million, with US consumers spending $404 million on Xbox 360 hardware, software and peripherals during the month.

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