When you play the Geom of Thrones, you win or you... start again and try to win. There is no middle ground.
See how you fare at https://game-of-thrones.cartocdn.com/index.html
This is a static application. To build it, proceed as usual:
npm install to download all the dependencies.
npm run dev to start a localserver to develop with hot reloading.
npm run build bundles the application in the dist folder.