Board Thread:New on Arrowverse Wiki/@comment-1854917-20160325081032/@comment-30131072-20161015155109

check this https://en.wikipedia.org/wiki/List_of_DC_Multiverse_worlds#Arrowverse_and_other_television_series.

There is 5 universe on Arrowverse!!!

Earth One, Earth Two, Earth Three, Unnamed (Supergirl's Earth) and Unnamed (The Flash 1990's Earth).