I also forgot that Castle doesn't let the application be safer, (for example, remove cuss or bloody/gory decks) and kids need to get respected and not get cussed so all the parents have to delete the app without warning.

Because first, most of the castles are still kids and need to make homework. Second, they may reach to the top nerve of boredom and they might been in Castle for more than a year. Third, if a master of castler quits, this may cause more people/followers to quit do if you have lots of followers, don't quit or else...

Why people join: people want to make games and followers with a lot of modavation. Why people quit: simply getting bored and no modavation.

So many players or users quit because of all the boredom they cause or the decks which makes them restless to complete and may be the cause of Playing castle for around a year or more. Also people are quitting after their Future decks after they complete they leave. So that maybe the reason why others quit (☞ﾟヮﾟ)☞

Idk

Because...