Should probably be all-rights-reserved.
http://www.lokigames.com/about/copyright.php3 says: "All visual, textual and programming content copyright © 1999 Loki Entertainment Software. All rights reserved. Content may not be used without permission from the owner of such copyright or without expressed and explicit reference to the owner." (In reply to Alexander Berntsen from comment #0) > Should probably be all-rights-reserved. Fixed.