In the context of the input sentence, determine the relationship between 'Red Dead Online' and 'Rockstar Games'.
Options: industry, position held, developer, founded by

On July 28th, Rockstar Games released The Naturalist, a massive new update to Red Dead Online featuring a new frontier pursuit that will introduce players to the secrets of naturalism as part of an all-new Role, plus a new Outlaw Pass, tons of community-requested features and fixes, and much more to play and discover in the months to come.
developer