Darwinianevolution on 26 April 2018
Splatoon could be a contender too. In more or less a year it has reached more than 6m and it is surely going to reach 10m. 20m might be a stretch, but if Nintendo is going to push their online games as much as I thing they're going to, Splatoon is going to be one of their crown jewels for a long time.
