Currently installed xonotic.ico is designed for Windows, and it appears to be broken. It doesn't work at least on XFCE4. Please install *.png/*.svg icons that are present in the project. Additionally, .desktop file is also present in the project.
A commit in branch main references this bug: URL: https://cgit.FreeBSD.org/ports/commit/?id=dec61bb0a1d02b46da9e9d6d293d5afad576131f commit dec61bb0a1d02b46da9e9d6d293d5afad576131f Author: Dmitry Marakasov <amdmi3@FreeBSD.org> AuthorDate: 2022-11-01 13:11:07 +0000 Commit: Dmitry Marakasov <amdmi3@FreeBSD.org> CommitDate: 2022-11-01 13:17:58 +0000 games/xonotic: fix installed icon files - Instead of broken .ico, install complete set of png and svg icons - Switch to upstream .desktop file as well PR: 267484 Reported by: yuri games/xonotic/Makefile | 18 +++++++++--------- .../files/patch-misc_logos_xonotic.desktop (new) | 11 +++++++++++ games/xonotic/pkg-plist (new) | 13 +++++++++++++ 3 files changed, 33 insertions(+), 9 deletions(-)