diff --git a/Recipe b/Recipe
index 847ca73..7510d57 100644
--- a/Recipe
+++ b/Recipe
@@ -135,3 +135,12 @@ FORCE:
 	fi
 !end
 !specialobj osx version
+
+# make install for Unix.
+!begin gtk
+install:
+	for i in cube net netslide fifteen sixteen twiddle \
+	         pattern rect solo mines samegame flip; do \
+		$(INSTALL_PROGRAM) -m 755 $$i $(DESTDIR)$(gamesdir)/$$i; \
+	done
+!end
diff --git a/mkfiles.pl b/mkfiles.pl
index b805dbe..96a98fa 100755
--- a/mkfiles.pl
+++ b/mkfiles.pl
@@ -894,6 +894,7 @@ if (defined $makefiles{'gtk'}) {
     "prefix=/usr/local\n",
     "exec_prefix=\$(prefix)\n",
     "bindir=\$(exec_prefix)/bin\n",
+    "gamesdir=\$(exec_prefix)/games\n",
     "mandir=\$(prefix)/man\n",
     "man1dir=\$(mandir)/man1\n",
     "\n".