The Elder Scrolls Online is a massively multiplayer online role-playing (MMORPG) video game developed by ZeniMax Online Studios and published by Bethesda Softworks. It was originally released for Microsoft Windows and OS X in April 2014. It is a part of "The Elder Scrolls" series, of which it is the first multiplayer installment.

Can we draw the following conclusion?
Elder Scrolls Online was part of an MMORPG craze.
It's impossible to say