diff --git a/games/hyperrogue/Makefile b/games/hyperrogue/Makefile
index 20ea34facc8..08962d6618b 100644
--- a/games/hyperrogue/Makefile
+++ b/games/hyperrogue/Makefile
@@ -1,7 +1,8 @@
-# $OpenBSD: Makefile,v 1.8 2018/11/21 01:58:38 bcallah Exp $
+# $OpenBSD: Makefile,v 1.9 2019/01/17 00:14:58 cwen Exp $
 
 COMMENT =	roguelike game in a non-Euclidean world
 CATEGORIES =	games x11
+REVISION =	0
 
 GH_ACCOUNT =	zenorogue
 GH_PROJECT =	hyperrogue
@@ -17,7 +18,7 @@ WANTLIB += ${COMPILER_LIBCXX} GL GLEW SDL SDL_gfx SDL_mixer SDL_ttf
 WANTLIB += c m png
 
 # C++11
-COMPILER =	base-clang ports-clang ports-gcc
+COMPILER =	base-clang ports-gcc
 
 BUILD_DEPENDS =	${MODGNU_AUTOCONF_DEPENDS} \
 		${MODGNU_AUTOMAKE_DEPENDS}
diff --git a/games/hyperrogue/patches/patch-polygons_cpp b/games/hyperrogue/patches/patch-polygons_cpp
new file mode 100644
index 00000000000..01e6d540629
--- /dev/null
+++ b/games/hyperrogue/patches/patch-polygons_cpp
@@ -0,0 +1,20 @@
+$OpenBSD: patch-polygons_cpp,v 1.1 2019/01/17 00:14:58 cwen Exp $
+Fix colors on big-endian machines in non-OpenGL mode.
+See https://github.com/zenorogue/hyperrogue/pull/70
+Index: polygons.cpp
+--- polygons.cpp.orig
++++ polygons.cpp
+@@ -762,7 +762,12 @@ void fixMercator(bool tinf) {
+   }
+   
+ unsigned char& part(color_t& col, int i) {
+-  unsigned char* c = (unsigned char*) &col; return c[i];
++  unsigned char* c = (unsigned char*) &col;
++#if SDL_BYTEORDER == SDL_BIG_ENDIAN
++  return c[sizeof(col) - 1 - i];
++#else
++  return c[i];
++#endif
+   }
+ 
+ bool in_twopoint = false;
diff --git a/games/hyperrogue/patches/patch-shaders_cpp b/games/hyperrogue/patches/patch-shaders_cpp
new file mode 100644
index 00000000000..ba079955675
--- /dev/null
+++ b/games/hyperrogue/patches/patch-shaders_cpp
@@ -0,0 +1,30 @@
+$OpenBSD: patch-shaders_cpp,v 1.1 2019/01/17 00:14:58 cwen Exp $
+Fix colors for big endian archs in OpenGL mode.
+See https://github.com/zenorogue/hyperrogue/pull/70
+Index: shaders.cpp
+--- shaders.cpp.orig
++++ shaders.cpp
+@@ -339,9 +339,9 @@ void id_modelview() {
+ #endif
+ 
+ void color2(color_t color, ld part) {
+-  unsigned char *c = (unsigned char*) (&color);
+   GLfloat cols[4];
+-  for(int i=0; i<4; i++) cols[i] = c[3-i] / 255.0 * part;
++  for(int i=0; i<4; i++)
++    cols[i] = (color >> ((3-i) * 8) & 0xff) / 255.0 * part; 
+   #if CAP_SHADER
+   // glUniform4fv(current->uFog, 4, cols);
+   glUniform4f(current->uColor, cols[0], cols[1], cols[2], cols[3]);
+@@ -352,7 +352,11 @@ void color2(color_t color, ld part) {
+ 
+ void colorClear(color_t color) {
+   unsigned char *c = (unsigned char*) (&color);
++#if SDL_BYTEORDER == SDL_BIG_ENDIAN
++  glClearColor(c[0] / 255.0, c[1] / 255.0, c[2]/255.0, c[3] / 255.0);
++#else
+   glClearColor(c[3] / 255.0, c[2] / 255.0, c[1]/255.0, c[0] / 255.0);
++#endif
+   }
+ 
+ void be_nontextured(shader_projection sp) { switch_mode(gmColored, sp); }