Sure, there is a No Game No Life manga. It expands on the story and characters presented in the original concept, offering additional depth and perspectives.
The No Game No Life manga has indeed come to an end. It provided a satisfying conclusion to the fans. However, there's always the possibility of spin-offs or related works in the future.
The manga that started from scratch was not over yet. At present, the manga was in the midst of being serialised and had already released several chapters. The author, Kazuma Kamiike's latest work was well received by the readers. The plot was compact and the style was exquisite. Although the manga is not over yet, we can expect to see more interesting plots in the following plot.