Sources outline how SoftBank-backed Improbable has struggled to attract developers to SpatialOS, a game simulation platform that has only one game running on it (Amy Thomson/Bloomberg)

Amy Thomson / Bloomberg:
Sources outline how SoftBank-backed Improbable has struggled to attract developers to SpatialOS, a game simulation platform that has only one game running on it  —  Three games using Improbable Worlds technology were pulled last year.  The company says such failures aren't unusual and has started efforts to develop its own games.