It looks like that Freedoom can be installed by installing prboom-plus (or doomsday) game engine.
** Changed in: freedoom (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Debian/Ubuntu Games Team, which is subscribed to freedoom in Ubuntu. https://bugs.launchpad.net/bugs/1589828 Title: Gnome Software catalog entry missing for Freedoom Status in freedoom package in Ubuntu: Invalid Bug description: The Freedoom package cannot be installed using the Gnome Software application because it's missing the needed metadata. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/freedoom/+bug/1589828/+subscriptions _______________________________________________ Pkg-games-ubuntu mailing list Pkg-games-ubuntu@lists.alioth.debian.org http://lists.alioth.debian.org/cgi-bin/mailman/listinfo/pkg-games-ubuntu