↑ Asher Moses (ngày 30 tháng 8 năm 2007). “Prepare for all-out war”. The Sydney Morning Herald. Truy cập ngày 16 tháng 7 năm 2008. Combined, the first two Halo games have notched up sales of more than 14.5 million copies so far, about 8 million of which can be attributed to Halo 2, which is the best-selling first-generation Xbox game worldwide.
↑ Dudley, Brier (25 tháng 5 năm 2011). “Last of Xbox Dream Team, Otto Berkes Is Moving On”. The Seattle Time (Seattle Times Co). tr. A12. Berkes and Hase were among a group of four who first pushed Microsoft to develop a Windows-based gaming system to compete with Sony's PlayStation 2, which was luring game companies from the Windows platform in the late 1990s. The other two were Seamus Blackley, who left in 2002, and Kevin Bachus, who left in 2001.
↑ Dudley, Brier (24 tháng 5 năm 2011). “Exclusive: Microsoft loses last Xbox founder, mobile PC visionary”. The Seattle Times (Seattle Times Co). Bản gốc lưu trữ ngày 25 tháng 5 năm 2011. Truy cập ngày 25 tháng 5 năm 2011. In 1998, Berkes and his team ordered a few Dell laptops, took them apart and built the first prototypes of a Windows gaming console. In order to appeal to young people, the name zBar (pronounced zed-BAH); laterm Ed Fries was leading Microsoft's games publishing business when the four Xbox founders pitched a "Direct X Box" based on the Windows DirectX graphics technology that was developed by Berkes' team.
↑ Alexander, Leigh (14 tháng 8 năm 2009). “Interview: Former Microsoft Exec Fries Talks Xbox's Genesis”. Gamasutra. UBM TechWeb. Bản gốc lưu trữ ngày 25 tháng 5 năm 2011. Truy cập ngày 25 tháng 5 năm 2011. Direct X-Box, of course, was truncated to 'Xbox,' -- and "marketing hated the name," says Fries. "They went off and created this whole, long list of better names for the machine." In focus testing, the marketing team left the name 'Xbox' on that long list simply as a control, to demonstrate to everyone why it was a horrible name for a console. "Of course, 'Xbox' outscored, in focus testing, everything they came up with. They had to admit it was going to be the Xbox."
