The $75 billion deal that
Phil Spencer
engineered for
Activision Blizzard Inc.
is the biggest bet yet that games can go from a side hustle to a core business at the world’s most valuable software company.
A Microsoft Corp. lifer and a lifelong gamer, Mr. Spencer has been the chief architect and evangelist for a bigger videogame strategy inside a company that revived its fortunes in recent years largely by focusing on business customers. His plan has shifted videogames at Microsoft from its two-decade emphasis on its Xbox videogame hardware to a vision of assembling a roster of studios whose games can be played across a range of devices. And Mr. Spencer has tied his game ambitions directly into cloud computing, which Microsoft Chief Executive
Satya Nadella
has…