Video game entrepreneurs Markus Persson and Gabe Newell have both joined an annual list which estimates who are the world's richest people. Newell, who co-founded Valve in 1996, has cultivated the ...
GameSpot may get a commission from retail offers. Gabe Newell co-founded Valve in 1996. His first game at the studio, Half-Life, was critically acclaimed Video game entrepreneurs Markus Persson and ...
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