Index: games/linux-skulltag/Makefile
===================================================================
--- games/linux-skulltag/Makefile
+++ games/linux-skulltag/Makefile
@@ -15,7 +15,7 @@
 
 USE_LINUX=	yes
 USE_LINUX_APPS=	sdl12
-ONLY_FOR_ARCHS=	i386
+ONLY_FOR_ARCHS=	i386 amd64
 USES=	tar:bzip2
 NO_BUILD=	yes