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.