diff --git a/binaries/data/config/default.cfg b/binaries/data/config/default.cfg
index 58268d0524..6aa0fd6c14 100644
--- a/binaries/data/config/default.cfg
+++ b/binaries/data/config/default.cfg
@@ -40,6 +40,7 @@ shadowpcf = true
 vsync = false
 particles = true
 silhouettes = true
+showsky = false
 
 nos3tc = false
 noautomipmap = true
@@ -148,6 +149,7 @@ hotkey.togglefullscreen = "Alt+Return"      ; Toggle fullscreen/windowed mode
 hotkey.screenshot.watermark = "K"           ; Toggle product/company watermark for official screenshots
 hotkey.wireframe = "Alt+W"                  ; Toggle wireframe mode
 hotkey.silhouettes = "Alt+S"                ; Toggle unit silhouettes
+hotkey.showsky = "Alt+Z"                    ; Toggle sky
 
 ; > CAMERA SETTINGS
 hotkey.camera.reset = "H"                                 ; Reset camera rotation to default.
diff --git a/binaries/data/mods/public/gui/session/session.xml b/binaries/data/mods/public/gui/session/session.xml
index 339ae6e004..9eedeffaa2 100644
--- a/binaries/data/mods/public/gui/session/session.xml
+++ b/binaries/data/mods/public/gui/session/session.xml
@@ -66,6 +66,11 @@
 	    <action on="Press">renderer.silhouettes = !renderer.silhouettes;</action>
 	</object>
 
+	<!-- Sky -->
+	<object hotkey="showsky">
+	    <action on="Press">renderer.showsky = !renderer.showsky;</action>
+	</object>
+
 	<!-- Pause -->
 	<object hotkey="pause">
 	    <action on="Press">togglePause();</action>
diff --git a/source/ps/GameSetup/Config.cpp b/source/ps/GameSetup/Config.cpp
index e0a1db46cd..d24aa7552b 100644
--- a/source/ps/GameSetup/Config.cpp
+++ b/source/ps/GameSetup/Config.cpp
@@ -40,6 +40,7 @@ bool g_ShadowPCF = false;
 bool g_FancyWater = false;
 bool g_Particles = false;
 bool g_Silhouettes = false;
+bool g_ShowSky = false;
 
 float g_Gamma = 1.0f;
 
@@ -81,6 +82,7 @@ static void LoadGlobals()
 	CFG_GET_USER_VAL("renderpath", String, g_RenderPath);
 	CFG_GET_USER_VAL("particles", Bool, g_Particles);
 	CFG_GET_USER_VAL("silhouettes", Bool, g_Silhouettes);
+	CFG_GET_USER_VAL("showsky", Bool, g_ShowSky);
 
 	float gain = 0.5f;
 	float musicGain = 0.5f;
diff --git a/source/ps/GameSetup/Config.h b/source/ps/GameSetup/Config.h
index 3c4489358d..4c1028eaf2 100644
--- a/source/ps/GameSetup/Config.h
+++ b/source/ps/GameSetup/Config.h
@@ -54,6 +54,8 @@ extern bool g_ShadowPCF;
 extern bool g_Particles;
 // flag to switch on unit silhouettes
 extern bool g_Silhouettes;
+// flag to switch on sky rendering
+extern bool g_ShowSky
 
 extern float g_Gamma;
 // name of configured render path (depending on OpenGL extensions, this may not be
diff --git a/source/ps/GameSetup/GameSetup.cpp b/source/ps/GameSetup/GameSetup.cpp
index 10804c874d..1b1cd9b471 100644
--- a/source/ps/GameSetup/GameSetup.cpp
+++ b/source/ps/GameSetup/GameSetup.cpp
@@ -573,6 +573,7 @@ static void InitRenderer()
 	g_Renderer.SetOptionBool(CRenderer::OPT_SHADOWPCF, g_ShadowPCF);
 	g_Renderer.SetOptionBool(CRenderer::OPT_PARTICLES, g_Particles);
 	g_Renderer.SetOptionBool(CRenderer::OPT_SILHOUETTES, g_Silhouettes);
+	g_Renderer.SetOptionBool(CRenderer::OPT_SHOWSKY, g_ShowSky);
 
 	// create terrain related stuff
 	new CTerrainTextureManager;
diff --git a/source/renderer/Renderer.cpp b/source/renderer/Renderer.cpp
index 2336a09795..950d0e4460 100644
--- a/source/renderer/Renderer.cpp
+++ b/source/renderer/Renderer.cpp
@@ -437,6 +437,7 @@ CRenderer::CRenderer()
 	m_Options.m_GPUSkinning = false;
 	m_Options.m_GenTangents = false;
 	m_Options.m_SmoothLOS = false;
+	m_Options.m_ShowSky = false;
 
 	// TODO: be more consistent in use of the config system
 	CFG_GET_USER_VAL("preferglsl", Bool, m_Options.m_PreferGLSL);
@@ -470,6 +471,7 @@ CRenderer::CRenderer()
 	AddLocalProperty(L"waterSpecularStrength", &m->waterManager.m_SpecularStrength, false);
 	AddLocalProperty(L"waterWaviness", &m->waterManager.m_Waviness, false);
 	AddLocalProperty(L"silhouettes", &m_Options.m_Silhouettes, false);
+	AddLocalProperty(L"showsky", &m_Options.m_ShowSky, false);
 
 	RegisterFileReloadFunc(ReloadChangedFileCB, this);
 }
@@ -679,6 +681,9 @@ void CRenderer::SetOptionBool(enum Option opt,bool value)
 		case OPT_SILHOUETTES:
 			m_Options.m_Silhouettes = value;
 			break;
+		case OPT_SHOWSKY:
+			m_Options.m_ShowSky = value;
+			break;
 		default:
 			debug_warn(L"CRenderer::SetOptionBool: unknown option");
 			break;
@@ -702,6 +707,8 @@ bool CRenderer::GetOptionBool(enum Option opt) const
 			return m_Options.m_Particles;
 		case OPT_SILHOUETTES:
 			return m_Options.m_Silhouettes;
+		case OPT_SHOWSKY:
+			return m_Options.m_ShowSky;
 		default:
 			debug_warn(L"CRenderer::GetOptionBool: unknown option");
 			break;
@@ -1427,6 +1434,11 @@ void CRenderer::RenderSubmissions()
 		}
 	}
 
+	if (m_Options.m_ShowSky)
+	{
+		m->skyManager.RenderSky();
+	}
+
 	// render submitted patches and models
 	RenderPatches(context);
 	ogl_WarnIfError();
diff --git a/source/renderer/Renderer.h b/source/renderer/Renderer.h
index f1406dc369..7a4a2ee851 100644
--- a/source/renderer/Renderer.h
+++ b/source/renderer/Renderer.h
@@ -82,7 +82,8 @@ public:
 		OPT_FANCYWATER,
 		OPT_SHADOWPCF,
 		OPT_PARTICLES,
-		OPT_SILHOUETTES
+		OPT_SILHOUETTES,
+		OPT_SHOWSKY
 	};
 
 	enum RenderPath {
@@ -133,6 +134,7 @@ public:
 		bool m_Silhouettes;
 		bool m_GenTangents;
 		bool m_SmoothLOS;
+		bool m_ShowSky;
 	} m_Options;
 
 	struct Caps {