I think you might have drunk too much ale at the celebratory feast.
Quote from wiki.
Vikings: War of Clans is an MMO strategy game developed and published by Plarium. The game is free-to-play though certain features are available for players to buy.
The game was launched on Google Play and the iOS App Store on August 10, 2015 and on Amazon Appstore on December 10, 2015.
On October 19, 2016, the desktop version of the game was released on Facebook, and on January 15, 2017, the browser version of the game appeared on the company’s official portal. Enough said.