Ng is a 100% Java Roguelike game engine that supports single and massive multiplayer games. SimpleGame is a prototype game that demonstrates most features of the engine and is included in all releases of Ng.
Open source project that offer summary and download services on this page is a project that carry out their development work on other open source development sites. Their work is linked to this page via a feature called OFI, and their work is not carried out here on OSDN site.