[3] See the file gpl-announcement.png or visit https://web.archive.org/web/*/http://www.3drealms.com/news/2009/03/several_old_games_released_as_freeware.html
[4] See readme.txt in this directory.
[5] See the initial commit in this git repository or ftp://ftp.3drealms.com/freeware/snova_fw.zip
[3] See the file gpl-announcement.png or visit https://web.archive.org/web/*/http://www.3drealms.com/news/2009/03/several_old_games_released_as_freeware.html
[4] See readme.txt in this directory.
[5] See the initial commit in this git repository or ftp://ftp.3drealms.com/freeware/snova_fw.zip