Starting tonight “Halo 3,” the final chapter of Microsoft Corp’s epic video game trilogy, finally goes on sale around the world. By the end of the week, fans in 37 countries will be playing the game Wired magazine recently called “a cultural touchstone, a Star Wars for the thumb stick generation. In the United States, more than 10,000 retailers across the country are opening their doors at midnight tonight solely to sell copies of the game and accompanying Xbox 360 consoles and accessories. With nary a pirate, a spider or a wand in sight, day-one sales of the highly anticipated video game are expected to shatter entertainment sales records and…

Check out an official video game clip from Microsoft’s “Halo 3″ entitled The Sandtrap Flyby. [youtube OL77zamXbSU]

Check out an official video game clip from Microsoft’s “Halo 3″ entitled The Snowbound Flyby. [youtube 3PXfxzEngsU]

Check out an official video game clip from Microsoft’s “Halo 3″ entitled The Pit Flyby. [youtube pWC53Wvk9QM]

Check out an official video game clip from Microsoft’s “Halo 3″ entitled High Ground Flyby. [youtube CjpwmODy92I]

Check out the latest “HALO 3″ television ad entitled “Museum” from Microsoft.

Check out the official “Halo 3″ teaser poster from Microsoft for the Xbox and Xbox 360.