Index: games/dMagnetic/Makefile
===================================================================
--- games/dMagnetic/Makefile
+++ games/dMagnetic/Makefile
@@ -1,7 +1,7 @@
 # $FreeBSD$
 
 PORTNAME=	dMagnetic
-PORTVERSION=	0.18
+PORTVERSION=	0.20
 CATEGORIES=	games
 MASTER_SITES=	https://www.dettus.net/dMagnetic/
 DISTNAME=	${PORTNAME}_${PORTVERSION}
@@ -12,6 +12,8 @@
 LICENSE=	BSD2CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE.txt
 
+USES=		tar:bz2
+
 do-install:
 	${INSTALL_PROGRAM} ${WRKSRC}/${PORTNAME} ${STAGEDIR}${PREFIX}/bin
 	${INSTALL_MAN} ${WRKSRC}/dMagnetic.1 ${STAGEDIR}${MANPREFIX}/man/man1
@@ -20,5 +22,12 @@
 	${INSTALL_DATA} ${WRKSRC}/dMagnetic.ini ${STAGEDIR}/${DATADIR}
 	${MKDIR} ${STAGEDIR}/${DOCSDIR}
 	${INSTALL_DATA} ${WRKSRC}/README.txt ${STAGEDIR}/${DOCSDIR}
+
+do-test:
+	cd ${WRKSRC}/testcode; if [ `echo Hello | ../dMagnetic \
+	-mag minitest.mag -gfx minitest.gfx \
+	-vmode low_ansi -vecho -vcols 300 -vrows 300 | \
+	sha256 ` == 86ca2731a4333ed24203c5bda33e71a222e864cb22debe656de52157e89ab1ea ]; \
+	then echo ok; else echo expected output not seen; exit 1; fi
 
 .include <bsd.port.mk>
Index: games/dMagnetic/distinfo
===================================================================
--- games/dMagnetic/distinfo
+++ games/dMagnetic/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1559222642
-SHA256 (dMagnetic_0.18.tar.gz) = 527cd6dd9140a3ff01c29545f74be140d146b8207bafbccca54a36cb79c3610f
-SIZE (dMagnetic_0.18.tar.gz) = 61210
+TIMESTAMP = 1579127196
+SHA256 (dMagnetic_0.20.tar.bz2) = c3f961c8ab629ea4b6472a030c438ac159dc699b6495285b9586e34609385d5a
+SIZE (dMagnetic_0.20.tar.bz2) = 53575