Halo: Combat Evolved map "Chill Out", titled "Cold Storage", was released as a free download on "Bungie Day", July 7, 2008. The third multiplayer map pack, titled the "Mythic Map Pack" and consisting of the maps "Orbital", "Assembly", and "Sandbox", was included with the Limited Collectors Edition of Halo Wars. The map pack was released over the Xbox Live Marketplace on April 9, 2009. The fourth and final multiplayer map pack, "Mythic II Map Pack", was released on February 2, 2010. The map pack includes the three new maps from Halo 3: ODST: "Citadel", "Longshore", and a remake of Halo 2 map "Midship", titled "Heretic". The first version update for Halo 3 was released on February 19, 2008, and addressed various bugs such as melee contest resolution and saved-film theater errors. The next update (called a Title Update) was released September 23, 2008, and includes new Achievements, a new XP ranking system, and various new ways to detect and stop cheating in the game. No further Halo 3 updates were planned. Reception Sales First-day sales of Halo 3 reached $170million in the U.S., setting a record for highest gross of a video game within 24 hours of its release. The performance beat the previous record setter—Halo 2—which earned $125million within 24 hours of its launch. The game was preordered by more than one million people in North America. Worldwide more than US$300million worth were sold in the first week, helping to more than double the sales of the Xbox 360 when compared with the weekly average before the Halo 3 launch. By 2010, Microsoft reported total grosses at $600 million. In the U.S., Halo 3 sold 3.3 million copies in its first 12 days on sale, increasing to 3.7 million copies by November 15, 2007. Reuters UK estimated that Halo 3 may have sold up to 5.2 million copies worldwide in the first two weeks after launch. By November 30, 2007, Halo 3 had sold 5million copies worldwide, and as of that point, was the best-selling video game of 2007 in the U.S., even though the game is only available on one console. On January 3, 2008, Microsoft announced that Halo 3 had sold copies. The game drew over a million Xbox Live members to play online in the first 20 hours, making it the biggest day for Xbox Live gaming in history. The game returned to the top 20