Miller, who snubbed the official U.S. ski team in 2007 and appeared on the brink of retirement, returned to the fold last year and prepared carefully fortheGames.
Like most other firms, it now provides free access to its games, collecting revenue from the 10% or so of players who are prepared to pay for in-game extras such as weapons, medicine and shields, says Benjamin Joffe, chief executive of Plus Eight Star, a technology consultancy in Beijing.