A few weeks ago, Blizzard initiated a campaign where players could buy a cosmetic skin from within the game. The proceeds would then go to charity and it seems it has been a massive success. Today in a post on their official website, Blizzard acknowledged the community and their contribution to the campaign
Thank you, heroes!
Together, we have raised over $12.7 million (USD) for @BCRFcure
— Overwatch (@PlayOverwatch) July 9, 2018