ISO 15924 script code: Roro

Rongorongo is an undeciphered script found on Easter Island (Rapa Nui). Used predominantly by the Rapa Nui culture, its origins and author remain unknown. While scholars have not universally agreed on its purpose, it's among the world's few independent writing systems. Full computer and OS support for the script is limited, but research and enthusiasts often create specialized software to study it.