The client requires java to be installed on your system for it to work. If you don't have java installed you can download it from the Oracle website here: https://java.com/en/download/
This is a test client to test out features on the server and will be rewritten in the future.
There isn't much content in the world at the moment. Still adding different systems and testing things out, if you would like to help you can download the client below. Thanks.
You can download the client here: http://cursed-lands.net/cursedlands.zip
When creating an account make sure the account name is between 4 and 20 characters letters only, and password between 6 and 20. Slight bug.