USAToday ...

• 820,000 –- The number of gamers who partook in the free multiplayer beta-test for Halo 3 this year.
• 10,000 –- How many U.S. retailers will open their doors at 12:01 a.m. Tuesday morning to sell it.
• 1 billion –- The estimated dollar value of the Halo franchise, to date.
• 4 million –- The estimated number of units Halo 3 will sell in its first two months in the U.S. alone (IGN GamerMetrics).
• $125 million -– The revenue generated during the first 24 hours of the Halo 2 game in November, 2004.
• 39,000 – The number of lines of dialogue in Halo 3.
• 120 –- The number of full-time developers who worked on the game at Bungie Studios.
• 20,000 -– In pounds, the estimated amount of pizza consumed by Bungie designers over the three years it took to create Halo 3.