The Halo franchise has sold more than 65 million copies worldwide and generated over $4.6 billion as of May 2014. On Tuesday, Halo 5: Guardians, the latest in the series, went on sale - as Mark Kelly reports. Image: 343 Industries Subscribe to the WSJ channel here: http://bit.ly/14Q81Xy More from the Wall Street Journal: Visit WSJ.com: http://www.wsj.com Follow WSJ on Facebook: / wsjvideo Follow WSJ on Google+: https://plus.google.com/+wsj/posts Follow WSJ on Twitter: / wsjvideo Follow WSJ on Instagram: / wsj Follow WSJ on Pinterest: / wsj Don’t miss a WSJ video, subscribe here: http://bit.ly/14Q81Xy More from the Wall Street Journal: Visit WSJ.com: http://www.wsj.com Visit the WSJ Video Center: https://wsj.com/video On Facebook: / videos On Twitter: / wsj On Snapchat: https://on.wsj.com/2ratjSM