Contribute
From GNUjump
There are many ways you can help the project.
If you are a developer
You can write new features and help writing code. Join the [mailing list] to find out what kind of code you can write.
If you are a graphic or sound artist
You can improve the current graphics and sounds, most of which are far from being perfect.
If you are rich
You can donate some money to the volunteers who developed this nice game for you to have fun. The is no Paypal account availible yet. Contact the project maintainer if you want to make a donation: raskolnikov@es.gnu.org.