diff --git a/games/riven_hgr/disk40_files/graphics_orb1/Makefile b/games/riven_hgr/disk40_files/graphics_orb1/Makefile
new file mode 100644
index 00000000..72d23567
--- /dev/null
+++ b/games/riven_hgr/disk40_files/graphics_orb1/Makefile
@@ -0,0 +1,25 @@
+include ../../../../Makefile.inc
+
+ZX02 = ~/research/6502_compression/zx02.git/build/zx02 -f
+PNG_TO_HGR = ../../../../utils/hgr-utils/png2hgr
+
+all:	orb1_graphics.inc
+
+orb1_graphics.inc:	\
+	orb_n.hgr.zx02 orb2_n.hgr.zx02
+	echo "orb_n_zx02: .incbin \"orb_n.hgr.zx02\"" > orb1_graphics.inc
+	echo "orb2_n_zx02: .incbin \"orb2_n.hgr.zx02\"" >> orb1_graphics.inc
+
+####
+
+%.hgr: %.png
+	$(PNG_TO_HGR) $< > $@
+
+%.hgr.zx02: %.hgr
+	$(ZX02) -f $< $@
+
+####
+
+clean:
+	rm -f *~ *.o *.lst  *.zx02 *.hgr orb1_graphics.inc
+