Tracer was first seen in 2014 at Blizzard Entertainment's "BlizzCon 2014" event. The main designer on "Overwatch", Scott Mercer, said that Blizzard's canceled project, "Titan", had a character with Tracer's abilities. Jeff Kaplan was the main hero designer for "Overwatch"; he had a big part in Tracer's design. While the game was still being designed and tested, or its "beta" period, Tracer's health was lowered. 