Build on the remains of Titan, Overwatch had a long way to come before it was Blizzard-ready. Watch a three-part video series by Gamespot on how Overwatch was created. GameSpot's Danny O'Dwyer has been to Blizzard's headquarters and talked to many key figures behind the game.
The first part of the series, The Fall of Titan, will tell us what went wrong with the canceled game:
The second part of the series, Return if the 90s Shooter, will tell us what games have inspired Blizzard to create Overwatch:
The last, third part of the series, 21 Hero Salute, will tell us about how Blizzard came up with the idea of the current hero roster in Overwatch: