The theme of exploration could be present as well. In a game world, there are often new areas to discover. And there may be a theme of self - discovery. As the characters face different challenges in the game, they might learn more about themselves, their capabilities, and their limits.
In volume 4, the protagonists might get involved in some high - stakes games that are crucial for their survival and their standing in this strange world. There could be political intrigue as well, as they navigate through the complex relationships between different groups in the game - filled universe. They may also discover new rules or loopholes in the games they play.
Another plot point could be the relationships that the main character forms within the game. Maybe they meet other trapped players and together they try to find a way out, while also dealing with power struggles or different personalities among the group.
In this volume, there are likely new games and challenges for Sora and Shiro. They probably face opponents with unique strategies and abilities. However, without reading it in detail, it's hard to say all the main plot points precisely.
There's 'Re:Zero − Starting Life in Another World'. Although it's not strictly a game - based light novel like 'the game of points light novel', it has elements of a protagonist facing challenges in an unfamiliar world and having to strategize and adapt, much like in a game. Also, 'Grimgar of Fantasy and Ash' has a group of characters trying to survive in a game - like world, which shares some similarities in terms of the overall theme of dealing with the rules and challenges of a new world.
I'm not sure specifically as I haven't read it. It could be about a game where points are crucial, perhaps in a competitive or strategic context within the story of the novel.
One of the great things about 'No Game No Life' light novel is its strategic battles. The games they play are not just simple games but involve complex strategies. It makes the story exciting as you see the characters use their wits to overcome difficulties. Also, the art style, if you consider the illustrations sometimes associated with it, is quite distinct and adds to the overall allure of the story.
One interesting aspect is the way it blends different genres. It might combine elements of adventure, fantasy, and mystery in a seamless way. The writing style is also a plus. It has a certain charm that makes it easy to get into the story. Moreover, the themes explored in the novel, such as self - discovery and the power of friendship, are relatable and can make readers think more deeply about their own lives.