Well, it depends on your love for Nintendo and comics. You could either rush to get it or wait for reviews first. Maybe you'd start discussing it with fellow fans too.
A comic about the King game might be Heart of the Kingdom. This was a manga created by the Japanese manga artist Shingo Ishikawa, which was first released in 2008. The story is about a group of young adventurers who embark on an adventure in a mysterious kingdom. Their goal is to save the country from the erosion of evil forces. In this story, the King Game was an important theme because the game was considered a symbol of evil forces and the goal of the adventurers was to defeat the evil forces and save the King Game.
As a fan of web novels, I don't have the ability to get the latest manga content. However, according to my understanding of web novels, the manga 'Shocking Games' hasn't officially ended yet. It had been closed and updated many times and had different storylines and progress on different platforms. If there is any news about the ending of the manga, it is recommended to follow the relevant media or social media accounts to get the most accurate news.
Well, it's not straightforward to determine. Sometimes Watcher appears in comics, and in other cases, it might be featured in games. It all depends on the creative direction of the particular story or game universe.