diff --git a/games/cubiomes-viewer/Makefile b/games/cubiomes-viewer/Makefile
new file mode 100644
index 00000000000..82a885082ac
--- /dev/null
+++ b/games/cubiomes-viewer/Makefile
@@ -0,0 +1,42 @@
+COMMENT =	graphical Minecraft seed finder and map viewer
+
+V =		4.1.2
+DISTNAME =	cubiomes-viewer-${V}
+
+SITES =	https://github.com/Cubitect/cubiomes-viewer/releases/download/${V}/
+EXTRACT_SUFX =	-src.tar.gz
+
+CATEGORIES =	games
+
+# GPL v3
+PERMIT_PACKAGE =	Yes
+
+WANTLIB += ${COMPILER_LIBCXX} GL Qt5Core Qt5Gui Qt5Widgets c m
+
+MODULES =		devel/qmake \
+			x11/qt5
+
+RUN_DEPENDS +=		devel/desktop-file-utils
+
+MODQMAKE_ARGS +=	'CONFIG+=without_network'
+
+SEPARATE_BUILD =	Yes
+USE_GMAKE =		Yes
+
+WRKDIST =		${WRKDIR}/cubiomes-viewer
+
+do-install:
+	${INSTALL_PROGRAM} ${WRKBUILD}/cubiomes-viewer ${PREFIX}/bin
+	${INSTALL_DATA_DIR} ${PREFIX}/share/metainfo
+	${INSTALL_DATA}  \
+	    ${WRKSRC}/etc/com.github.cubitect.cubiomes-viewer.metainfo.xml \
+	    ${PREFIX}/share/metainfo/
+	${INSTALL_DATA_DIR} ${PREFIX}/share/applications
+	${INSTALL_DATA} \
+	    ${WRKSRC}/etc/com.github.cubitect.cubiomes-viewer.desktop \
+	    ${PREFIX}/share/applications/
+	${INSTALL_DATA_DIR} ${PREFIX}/share/pixmaps
+	${INSTALL_DATA} ${WRKSRC}/etc/icon.svg \
+	    ${PREFIX}/share/pixmaps/cubiomes-viewer.svg
+
+.include <bsd.port.mk>
diff --git a/games/cubiomes-viewer/distinfo b/games/cubiomes-viewer/distinfo
new file mode 100644
index 00000000000..b1df40fced5
--- /dev/null
+++ b/games/cubiomes-viewer/distinfo
@@ -0,0 +1,2 @@
+SHA256 (cubiomes-viewer-4.1.2-src.tar.gz) = +oqjKLS/vdXflHTMm9E6Eh1Mk/X0Xy/UCnmlPZq0IlU=
+SIZE (cubiomes-viewer-4.1.2-src.tar.gz) = 2447165
diff --git a/games/cubiomes-viewer/pkg/DESCR b/games/cubiomes-viewer/pkg/DESCR
new file mode 100644
index 00000000000..1182187f046
--- /dev/null
+++ b/games/cubiomes-viewer/pkg/DESCR
@@ -0,0 +1,6 @@
+Cubiomes Viewer provides a graphical interface for the efficient and
+flexible seed-finding utilities provided by cubiomes and a map viewer
+for the Minecraft biomes and structure generation.
+
+The tool is designed for high performance and supports Minecraft Java
+Edition main releases up to 1.21.
diff --git a/games/cubiomes-viewer/pkg/PLIST b/games/cubiomes-viewer/pkg/PLIST
new file mode 100644
index 00000000000..73301c771d6
--- /dev/null
+++ b/games/cubiomes-viewer/pkg/PLIST
@@ -0,0 +1,7 @@
+@bin bin/cubiomes-viewer
+share/applications/com.github.cubitect.cubiomes-viewer.desktop
+share/metainfo/
+share/metainfo/com.github.cubitect.cubiomes-viewer.metainfo.xml
+share/pixmaps/
+share/pixmaps/cubiomes-viewer.svg
+@tag update-desktop-database