Doom III 1.3 came out which includes support for Resurrection of Evil. You can find more information at http://zerowing.idsoftware.com/linux/doom/ Reproducible: Always Steps to Reproduce: 1. emerge doom3
ive uploaded the files to our dev box for mirroring onto our servers
http://www.gentoo.org/proj/en/desktop/games/#doc_chap5_sect5
Added to portage