Try the game out here! The codebase is bootstrapped with create-react-app.
Country demographic data used is from samayo under MIT license.
If you want to host this on your own domain, fork/clone the repo and run npm install at the root. In package.json change the homepage attribute to whatever domain you are hosting on. Run npm run start to make sure it compiles correctly, and then after committing to your repo run npm run deploy to deploy it to Github Pages.