diff --git a/doomsday/client/include/ui/clientwindow.h b/doomsday/client/include/ui/clientwindow.h
index 939317a7a2..7d3a9e3e28 100644
--- a/doomsday/client/include/ui/clientwindow.h
+++ b/doomsday/client/include/ui/clientwindow.h
@@ -25,18 +25,22 @@
 
 #include "GuiRootWidget"
 #include "resource/image.h"
+#include "ui/widgets/legacywidget.h"
 
 /**
  * Macro for conveniently accessing the current active window. There is always
  * one active window, so no need to worry about NULLs. The easiest way to get
  * information about the window where drawing is done.
  */
-#define DENG_WINDOW         (&ClientWindow::main())
+//#define DENG_WINDOW         (&ClientWindow::main())
+
+#define DENG_GAMEVIEW_WIDTH     ClientWindow::main().game().rule().width().valuei()
+#define DENG_GAMEVIEW_HEIGHT    ClientWindow::main().game().rule().height().valuei()
 
 /**
  * A helpful macro that changes the origin of the window space coordinate system.
  */
-#define FLIP(y)             (DENG_WINDOW->height() - (y+1))
+#define FLIP(y)             (ClientWindow::main().height() - ((y)+1))
 
 class ConsoleWidget;
 class TaskBarWidget;
@@ -66,6 +70,7 @@ class ClientWindow : public de::PersistentCanvasWindow,
     TaskBarWidget &taskBar();
     ConsoleWidget &console();
     NotificationWidget &notifications();
+    LegacyWidget &game();
     BusyWidget &busy();
 
     /**
diff --git a/doomsday/client/src/audio/s_main.cpp b/doomsday/client/src/audio/s_main.cpp
index bc60832461..1994a8c5bb 100644
--- a/doomsday/client/src/audio/s_main.cpp
+++ b/doomsday/client/src/audio/s_main.cpp
@@ -590,7 +590,7 @@ void S_Drawer(void)
     glMatrixMode(GL_PROJECTION);
     glPushMatrix();
     glLoadIdentity();
-    glOrtho(0, DENG_WINDOW->width(), DENG_WINDOW->height(), 0, -1, 1);
+    glOrtho(0, DENG_GAMEVIEW_WIDTH, DENG_GAMEVIEW_HEIGHT, 0, -1, 1);
 
     Sfx_DebugInfo();
 
diff --git a/doomsday/client/src/dd_main.cpp b/doomsday/client/src/dd_main.cpp
index ba6a63ae86..1c99a81f20 100644
--- a/doomsday/client/src/dd_main.cpp
+++ b/doomsday/client/src/dd_main.cpp
@@ -762,8 +762,7 @@ void DD_StartTitle(void)
     ddstring_t setupCmds; Str_Init(&setupCmds);
 
     // Configure the predefined fonts (all normal, variable width).
-    char const *fontName = R_ChooseVariableFont(FS_NORMAL, DENG_WINDOW->width(),
-                                                           DENG_WINDOW->height());
+    char const *fontName = R_ChooseVariableFont(FS_NORMAL, DENG_GAMEVIEW_WIDTH, DENG_GAMEVIEW_HEIGHT);
 
     for(int i = 1; i <= FIPAGE_NUM_PREDEFINED_FONTS; ++i)
     {
@@ -1611,7 +1610,7 @@ bool App_ChangeGame(Game &game, bool allowReload)
 #ifdef __CLIENT__
     char buf[256];
     DD_ComposeMainWindowTitle(buf);
-    DENG_WINDOW->setWindowTitle(buf);
+    ClientWindow::main().setWindowTitle(buf);
 #endif
 
     if(!DD_IsShuttingDown())
@@ -1635,7 +1634,7 @@ bool App_ChangeGame(Game &game, bool allowReload)
 
 #ifdef __CLIENT__
     DD_ComposeMainWindowTitle(buf);
-    DENG_WINDOW->setWindowTitle(buf);
+    ClientWindow::main().setWindowTitle(buf);
 #endif
 
     /**
@@ -1837,7 +1836,7 @@ void DD_FinishInitializationAfterWindowReady()
     {
         char buf[256];
         DD_ComposeMainWindowTitle(buf);
-        DENG_WINDOW->setWindowTitle(buf);
+        ClientWindow::main().setWindowTitle(buf);
     }
 #endif
 
@@ -2458,10 +2457,10 @@ int DD_GetInteger(int ddvalue)
         return I_ShiftDown();
 
     case DD_WINDOW_WIDTH:
-        return DENG_WINDOW->width();
+        return DENG_GAMEVIEW_WIDTH;
 
     case DD_WINDOW_HEIGHT:
-        return DENG_WINDOW->height();
+        return DENG_GAMEVIEW_HEIGHT;
 
     case DD_CURRENT_CLIENT_FINALE_ID:
         return Cl_CurrentFinale();
diff --git a/doomsday/client/src/edit_bias.cpp b/doomsday/client/src/edit_bias.cpp
index b769958282..bf2f3c0bfc 100644
--- a/doomsday/client/src/edit_bias.cpp
+++ b/doomsday/client/src/edit_bias.cpp
@@ -521,8 +521,8 @@ static void drawInfoBox(BiasSource *s, int rightX, String const title, float alp
     int th = FR_SingleLineHeight("Info");
     Vector2i size(16 + FR_TextWidth("Color:(0.000, 0.000, 0.000)"), 16 + th * 6);
 
-    Vector2i origin(DENG_WINDOW->width()  - 10 - size.x - rightX,
-                    DENG_WINDOW->height() - 10 - size.y);
+    Vector2i origin(DENG_GAMEVIEW_WIDTH  - 10 - size.x - rightX,
+                    DENG_GAMEVIEW_HEIGHT - 10 - size.y);
 
     ui_color_t color;
     color.red   = s->color().x;
@@ -680,7 +680,7 @@ void SBE_DrawGui()
     glMatrixMode(GL_PROJECTION);
     glPushMatrix();
     glLoadIdentity();
-    glOrtho(0, DENG_WINDOW->width(), DENG_WINDOW->height(), 0, -1, 1);
+    glOrtho(0, DENG_GAMEVIEW_WIDTH, DENG_GAMEVIEW_HEIGHT, 0, -1, 1);
 
     glEnable(GL_TEXTURE_2D);
 
@@ -697,7 +697,7 @@ void SBE_DrawGui()
 
     Vector2i size(FR_TextWidth(text.toUtf8().constData()) + 16,
                   FR_SingleLineHeight(text.toUtf8().constData()) + 16);
-    int top = DENG_WINDOW->height() - 10 - size.y;
+    int top = DENG_GAMEVIEW_HEIGHT - 10 - size.y;
 
     Vector2i origin(10, top);
     drawBoxBackground(origin, size, 0);
@@ -724,7 +724,7 @@ void SBE_DrawGui()
             drawInfoBox(&hand.grabbed().first()->as<BiasSource>(), x, "Grabbed", opacity);
         }
 
-        drawLightGauge(Vector2i(20, DENG_WINDOW->height()/2 - 255/2));
+        drawLightGauge(Vector2i(20, DENG_GAMEVIEW_HEIGHT/2 - 255/2));
     }
 
     glMatrixMode(GL_PROJECTION);
diff --git a/doomsday/client/src/gl/gl_main.cpp b/doomsday/client/src/gl/gl_main.cpp
index 0f65e7d831..32512e2ba5 100644
--- a/doomsday/client/src/gl/gl_main.cpp
+++ b/doomsday/client/src/gl/gl_main.cpp
@@ -190,7 +190,7 @@ void GL_DoUpdate()
     DD_WaitForOptimalUpdateTime();
 
     // Blit screen to video.
-    DENG_WINDOW->swapBuffers();
+    ClientWindow::main().swapBuffers();
 
     // We will arrive here always at the same time in relation to the displayed
     // frame: it is a good time to update the mouse state.
diff --git a/doomsday/client/src/network/net_main.cpp b/doomsday/client/src/network/net_main.cpp
index 8cd6bce7f8..c1b7ba2eaf 100644
--- a/doomsday/client/src/network/net_main.cpp
+++ b/doomsday/client/src/network/net_main.cpp
@@ -687,7 +687,7 @@ static boolean recordingDemo(void)
 void Net_DrawDemoOverlay(void)
 {
     char buf[160], tmp[40];
-    int x = DENG_WINDOW->width() - 10, y = 10;
+    int x = DENG_GAMEVIEW_WIDTH - 10, y = 10;
 
     if(!recordingDemo() || !(SECONDS_TO_TICKS(gameTime) & 8))
         return;
@@ -715,7 +715,7 @@ void Net_DrawDemoOverlay(void)
     glMatrixMode(GL_PROJECTION);
     glPushMatrix();
     glLoadIdentity();
-    glOrtho(0, DENG_WINDOW->width(), DENG_WINDOW->height(), 0, -1, 1);
+    glOrtho(0, DENG_GAMEVIEW_WIDTH, DENG_GAMEVIEW_HEIGHT, 0, -1, 1);
 
     glEnable(GL_TEXTURE_2D);
 
diff --git a/doomsday/client/src/render/blockmapvisual.cpp b/doomsday/client/src/render/blockmapvisual.cpp
index b5b5144e81..43205d09d9 100644
--- a/doomsday/client/src/render/blockmapvisual.cpp
+++ b/doomsday/client/src/render/blockmapvisual.cpp
@@ -78,7 +78,7 @@ static int rendBspLeaf(BspLeaf *bspLeaf, void * /*parameters*/)
     if(!bspLeaf->isDegenerate() && bspLeaf->validCount() != validCount)
     {
         float const scale = de::max(bmapDebugSize, 1.f);
-        float const width = (DENG_WINDOW->width() / 16) / scale;
+        float const width = (DENG_GAMEVIEW_WIDTH / 16) / scale;
         float length, dx, dy, normal[2], unit[2];
         vec2f_t start, end;
 
@@ -562,12 +562,12 @@ void Rend_BlockmapDebug()
     glMatrixMode(GL_PROJECTION);
     glPushMatrix();
     glLoadIdentity();
-    glOrtho(0, DENG_WINDOW->width(), DENG_WINDOW->height(), 0, -1, 1);
+    glOrtho(0, DENG_GAMEVIEW_WIDTH, DENG_GAMEVIEW_HEIGHT, 0, -1, 1);
     // Orient on the center of the window.
-    glTranslatef((DENG_WINDOW->width() / 2), (DENG_WINDOW->height() / 2), 0);
+    glTranslatef((DENG_GAMEVIEW_WIDTH / 2), (DENG_GAMEVIEW_HEIGHT / 2), 0);
 
     // Uniform scaling factor for this visual.
-    scale = bmapDebugSize / de::max(DENG_WINDOW->height() / 100, 1);
+    scale = bmapDebugSize / de::max(DENG_GAMEVIEW_HEIGHT / 100, 1);
     glScalef(scale, -scale, 1);
 
     // If possible we'll tailor what we draw relative to the viewPlayer.
@@ -586,7 +586,7 @@ void Rend_BlockmapDebug()
     glMatrixMode(GL_PROJECTION);
     glPushMatrix();
     glLoadIdentity();
-    glOrtho(0, DENG_WINDOW->width(), DENG_WINDOW->height(), 0, -1, 1);
+    glOrtho(0, DENG_GAMEVIEW_WIDTH, DENG_GAMEVIEW_HEIGHT, 0, -1, 1);
 
     if(followMobj)
     {
@@ -595,15 +595,15 @@ void Rend_BlockmapDebug()
         Blockmap::Cell cell = blockmap->toCell(followMobj->origin, &didClip);
         if(!didClip)
         {
-            origin.x = DENG_WINDOW->width() / 2;
+            origin.x = DENG_GAMEVIEW_WIDTH / 2;
             origin.y = 30;
             drawCellInfoBox(blockmap, &origin, objectTypeName, cell);
         }
     }
 
     // About the Blockmap itself.
-    origin.x = DENG_WINDOW->width()  - 10;
-    origin.y = DENG_WINDOW->height() - 10;
+    origin.x = DENG_GAMEVIEW_WIDTH  - 10;
+    origin.y = DENG_GAMEVIEW_HEIGHT - 10;
     drawBlockmapInfo(&origin, blockmap);
 
     glMatrixMode(GL_PROJECTION);
diff --git a/doomsday/client/src/render/lightgrid.cpp b/doomsday/client/src/render/lightgrid.cpp
index 493810961a..0adebd693a 100644
--- a/doomsday/client/src/render/lightgrid.cpp
+++ b/doomsday/client/src/render/lightgrid.cpp
@@ -981,7 +981,7 @@ void LightGrid::drawDebugVisual()
     glMatrixMode(GL_PROJECTION);
     glPushMatrix();
     glLoadIdentity();
-    glOrtho(0, DENG_WINDOW->width(), DENG_WINDOW->height(), 0, -1, 1);
+    glOrtho(0, DENG_GAMEVIEW_WIDTH, DENG_GAMEVIEW_HEIGHT, 0, -1, 1);
 
     for(int y = 0; y < d->dimensions.y; ++y)
     {
diff --git a/doomsday/client/src/render/r_main.cpp b/doomsday/client/src/render/r_main.cpp
index fa72a3db14..f58a4071cc 100644
--- a/doomsday/client/src/render/r_main.cpp
+++ b/doomsday/client/src/render/r_main.cpp
@@ -142,8 +142,8 @@ void R_BuildTexGammaLut()
 #ifdef __CLIENT__
 char const *R_ChooseFixedFont()
 {
-    if(DENG_WINDOW->width() < 300) return "console11";
-    if(DENG_WINDOW->width() > 768) return "console18";
+    if(DENG_GAMEVIEW_WIDTH < 300) return "console11";
+    if(DENG_GAMEVIEW_WIDTH > 768) return "console18";
     return "console14";
 }
 #endif
@@ -223,9 +223,9 @@ void R_LoadSystemFonts()
     if(!Fonts_IsInitialized() || isDedicated) return;
 
     loadFontIfNeeded(R_ChooseFixedFont(), &fontFixed);
-    loadFontIfNeeded(R_ChooseVariableFont(FS_NORMAL, DENG_WINDOW->width(), DENG_WINDOW->height()), &fontVariable[FS_NORMAL]);
-    loadFontIfNeeded(R_ChooseVariableFont(FS_BOLD,   DENG_WINDOW->width(), DENG_WINDOW->height()), &fontVariable[FS_BOLD]);
-    loadFontIfNeeded(R_ChooseVariableFont(FS_LIGHT,  DENG_WINDOW->width(), DENG_WINDOW->height()), &fontVariable[FS_LIGHT]);
+    loadFontIfNeeded(R_ChooseVariableFont(FS_NORMAL, DENG_GAMEVIEW_WIDTH, DENG_GAMEVIEW_HEIGHT), &fontVariable[FS_NORMAL]);
+    loadFontIfNeeded(R_ChooseVariableFont(FS_BOLD,   DENG_GAMEVIEW_WIDTH, DENG_GAMEVIEW_HEIGHT), &fontVariable[FS_BOLD]);
+    loadFontIfNeeded(R_ChooseVariableFont(FS_LIGHT,  DENG_GAMEVIEW_WIDTH, DENG_GAMEVIEW_HEIGHT), &fontVariable[FS_LIGHT]);
 
     //Con_SetFont(fontFixed);
 
@@ -261,8 +261,8 @@ void R_SetupDefaultViewWindow(int consoleNum)
 
     vd->window.origin.x = vd->windowOld.origin.x = vd->windowTarget.origin.x = 0;
     vd->window.origin.y = vd->windowOld.origin.y = vd->windowTarget.origin.y = 0;
-    vd->window.size.width  = vd->windowOld.size.width  = vd->windowTarget.size.width  = DENG_WINDOW->width();
-    vd->window.size.height = vd->windowOld.size.height = vd->windowTarget.size.height = DENG_WINDOW->height();
+    vd->window.size.width  = vd->windowOld.size.width  = vd->windowTarget.size.width  = DENG_GAMEVIEW_WIDTH;
+    vd->window.size.height = vd->windowOld.size.height = vd->windowTarget.size.height = DENG_GAMEVIEW_HEIGHT;
     vd->windowInter = 1;
 #endif
 }
@@ -435,10 +435,10 @@ void R_UpdateViewPortGeometry(viewport_t *port, int col, int row)
     DENG_ASSERT(port);
 
     RectRaw *rect = &port->geometry;
-    int const x = col * DENG_WINDOW->width()  / gridCols;
-    int const y = row * DENG_WINDOW->height() / gridRows;
-    int const width  = (col+1) * DENG_WINDOW->width()  / gridCols - x;
-    int const height = (row+1) * DENG_WINDOW->height() / gridRows - y;
+    int const x = col * DENG_GAMEVIEW_WIDTH  / gridCols;
+    int const y = row * DENG_GAMEVIEW_HEIGHT / gridRows;
+    int const width  = (col+1) * DENG_GAMEVIEW_WIDTH  / gridCols - x;
+    int const height = (row+1) * DENG_GAMEVIEW_HEIGHT / gridRows - y;
     ddhook_viewport_reshape_t p;
     bool doReshape = false;
 
@@ -919,8 +919,8 @@ void R_UseViewPort(viewport_t *vp)
     if(!vp)
     {
         currentViewport = NULL;
-        glViewport(0, FLIP(0 + DENG_WINDOW->height() - 1),
-            DENG_WINDOW->width(), DENG_WINDOW->height());
+        glViewport(0, FLIP(0 + DENG_GAMEVIEW_HEIGHT - 1),
+            DENG_GAMEVIEW_WIDTH, DENG_GAMEVIEW_HEIGHT);
     }
     else
     {
diff --git a/doomsday/client/src/render/rend_main.cpp b/doomsday/client/src/render/rend_main.cpp
index eec9bfccc3..58d23a5173 100644
--- a/doomsday/client/src/render/rend_main.cpp
+++ b/doomsday/client/src/render/rend_main.cpp
@@ -2669,7 +2669,7 @@ static void drawLabel(Vector3d const &origin, String const &label, float scale,
 static void drawLabel(Vector3d const &origin, String const &label)
 {
     ddouble distToEye = (Vector3d(vOrigin[VX], vOrigin[VZ], vOrigin[VY]) - origin).length();
-    drawLabel(origin, label, distToEye / (DENG_WINDOW->width() / 2), 1 - distToEye / 2000);
+    drawLabel(origin, label, distToEye / (DENG_GAMEVIEW_WIDTH / 2), 1 - distToEye / 2000);
 }
 
 /*
@@ -2903,7 +2903,7 @@ void Rend_DrawLightModMatrix()
     glMatrixMode(GL_PROJECTION);
     glPushMatrix();
     glLoadIdentity();
-    glOrtho(0, DENG_WINDOW->width(), DENG_WINDOW->height(), 0, -1, 1);
+    glOrtho(0, DENG_GAMEVIEW_WIDTH, DENG_GAMEVIEW_HEIGHT, 0, -1, 1);
 
     glTranslatef(BORDER, BORDER, 0);
 
@@ -3094,7 +3094,7 @@ static int drawMobjBBox(thinker_t *th, void * /*context*/)
 
     Vector3d eye(vOrigin[VX], vOrigin[VZ], vOrigin[VY]);
 
-    float alpha = 1 - ((Vector3d(eye - Vector3d(mo->origin)).length() / (DENG_WINDOW->width()/2)) / 4);
+    float alpha = 1 - ((Vector3d(eye - Vector3d(mo->origin)).length() / (DENG_GAMEVIEW_WIDTH/2)) / 4);
     if(alpha < .25f)
         alpha = .25f; // Don't make them totally invisible.
 
@@ -3165,7 +3165,7 @@ static void Rend_DrawBoundingBoxes(Map &map)
                          polyobj->aaBox.minY + length,
                          sec.floor().height());
 
-            float alpha = 1 - ((Vector3d(eye - pos).length() / (DENG_WINDOW->width()/2)) / 4);
+            float alpha = 1 - ((Vector3d(eye - pos).length() / (DENG_GAMEVIEW_WIDTH/2)) / 4);
             if(alpha < .25f)
                 alpha = .25f; // Don't make them totally invisible.
 
@@ -3364,7 +3364,7 @@ static void drawSoundOrigin(Vector3d const &origin, char const *label, Vector3d
 
     if(alpha > 0)
     {
-        float scale = dist / (DENG_WINDOW->width() / 2);
+        float scale = dist / (DENG_GAMEVIEW_WIDTH / 2);
 
         glMatrixMode(GL_MODELVIEW);
         glPushMatrix();
@@ -3522,7 +3522,7 @@ static int drawPolyobjVertexes(Polyobj *po, void * /*context*/)
             if(distToEye < MAX_VERTEX_POINT_DIST)
             {
                 drawLabel(origin, labelForVertex(&vtx),
-                          distToEye / (DENG_WINDOW->width() / 2),
+                          distToEye / (DENG_GAMEVIEW_WIDTH / 2),
                           1 - distToEye / MAX_VERTEX_POINT_DIST);
             }
         }
@@ -3624,7 +3624,7 @@ static void drawVertexes(Map &map)
             if(distToEye < MAX_VERTEX_POINT_DIST)
             {
                 drawLabel(origin, labelForVertex(vertex),
-                                distToEye / (DENG_WINDOW->width() / 2),
+                                distToEye / (DENG_GAMEVIEW_WIDTH / 2),
                                 1 - distToEye / MAX_VERTEX_POINT_DIST);
             }
         }
@@ -3674,7 +3674,7 @@ static void drawSectors(Map &map)
         if(distToEye < MAX_LABEL_DIST)
         {
             drawLabel(origin, labelForCluster(cluster),
-                      distToEye / (DENG_WINDOW->width() / 2),
+                      distToEye / (DENG_GAMEVIEW_WIDTH / 2),
                       1 - distToEye / MAX_LABEL_DIST);
         }
     }
diff --git a/doomsday/client/src/render/rend_model.cpp b/doomsday/client/src/render/rend_model.cpp
index ca9baf6981..58142032ea 100644
--- a/doomsday/client/src/render/rend_model.cpp
+++ b/doomsday/client/src/render/rend_model.cpp
@@ -1009,7 +1009,7 @@ static void Mod_RenderSubModel(uint number, rendmodelparams_t const *parm)
     // Determine the suitable LOD.
     if(mdl->info.numLODs > 1 && rend_model_lod != 0)
     {
-        float lodFactor = rend_model_lod * DENG_WINDOW->width() / 640.0f / (Rend_FieldOfView() / 90.0f);
+        float lodFactor = rend_model_lod * DENG_GAMEVIEW_WIDTH / 640.0f / (Rend_FieldOfView() / 90.0f);
         if(!FEQUAL(lodFactor, 0))
             lodFactor = 1 / lodFactor;
 
diff --git a/doomsday/client/src/render/rend_particle.cpp b/doomsday/client/src/render/rend_particle.cpp
index 8c23434bb6..18d6f46feb 100644
--- a/doomsday/client/src/render/rend_particle.cpp
+++ b/doomsday/client/src/render/rend_particle.cpp
@@ -925,7 +925,7 @@ static int drawGeneratorOrigin(ptcgen_t* gen, void* parameters)
         if(alpha > 0)
         {
             Point2Raw const labelOrigin(2, 2);
-            float scale = dist / (DENG_WINDOW->width() / 2);
+            float scale = dist / (DENG_GAMEVIEW_WIDTH / 2);
             char buf[80];
 
             sprintf(buf, "%i", gens->generatorId(gen));
diff --git a/doomsday/client/src/render/sprite.cpp b/doomsday/client/src/render/sprite.cpp
index bbc228289c..99b40e55fa 100644
--- a/doomsday/client/src/render/sprite.cpp
+++ b/doomsday/client/src/render/sprite.cpp
@@ -126,7 +126,7 @@ static int drawThinkerId(thinker_t *thinker, void *context)
 
     if(alpha > 0)
     {
-        float scale = dist / (DENG_WINDOW->width() / 2);
+        float scale = dist / (DENG_GAMEVIEW_WIDTH / 2);
 
         glMatrixMode(GL_MODELVIEW);
         glPushMatrix();
diff --git a/doomsday/client/src/ui/clientwindow.cpp b/doomsday/client/src/ui/clientwindow.cpp
index 545c7a9565..e287b7a807 100644
--- a/doomsday/client/src/ui/clientwindow.cpp
+++ b/doomsday/client/src/ui/clientwindow.cpp
@@ -136,7 +136,7 @@ public IGameChangeObserver
         legacy = new LegacyWidget(LEGACY_WIDGET_NAME);
         legacy->rule()
                 .setLeftTop    (root.viewLeft(),  root.viewTop())
-                .setRightBottom(root.viewRight(), root.viewBottom());
+                .setRightBottom(root.viewWidth() / 2, root.viewBottom());
         // Initially the widget is disabled. It will be enabled when the window
         // is visible and ready to be drawn.
         legacy->disable();
@@ -378,6 +378,11 @@ NotificationWidget &ClientWindow::notifications()
     return *d->notifications;
 }
 
+LegacyWidget &ClientWindow::game()
+{
+    return *d->legacy;
+}
+
 BusyWidget &ClientWindow::busy()
 {
     return *d->busy;
diff --git a/doomsday/client/src/ui/dd_input.cpp b/doomsday/client/src/ui/dd_input.cpp
index 1bf47545d7..d58b0dc318 100644
--- a/doomsday/client/src/ui/dd_input.cpp
+++ b/doomsday/client/src/ui/dd_input.cpp
@@ -2239,7 +2239,7 @@ void Rend_AllInputDeviceStateVisuals(void)
     glMatrixMode(GL_PROJECTION);
     glPushMatrix();
     glLoadIdentity();
-    glOrtho(0, DENG_WINDOW->width(), DENG_WINDOW->height(), 0, -1, 1);
+    glOrtho(0, DENG_GAMEVIEW_WIDTH, DENG_GAMEVIEW_HEIGHT, 0, -1, 1);
 
     if(devRendKeyState)
     {
diff --git a/doomsday/client/src/ui/ui_main.cpp b/doomsday/client/src/ui/ui_main.cpp
index 28b3d70346..5f4a65ca7c 100644
--- a/doomsday/client/src/ui/ui_main.cpp
+++ b/doomsday/client/src/ui/ui_main.cpp
@@ -141,8 +141,8 @@ void UI_PageInit(boolean halttime, boolean tckui, boolean tckframe, boolean drwg
     allowEscape = !noescape;
 
     // Init cursor to the center of the screen.
-    uiCX = DENG_WINDOW->width() / 2;
-    uiCY = DENG_WINDOW->height() / 2;
+    uiCX = DENG_GAMEVIEW_WIDTH / 2;
+    uiCY = DENG_GAMEVIEW_HEIGHT / 2;
     uiMoved = false;
 }
 
@@ -305,12 +305,12 @@ void UI_InitPage(ui_page_t* page, ui_object_t* objects)
 
 int UI_AvailableWidth(void)
 {
-    return DENG_WINDOW->width() - UI_BORDER * 4;
+    return DENG_GAMEVIEW_WIDTH - UI_BORDER * 4;
 }
 
 int UI_AvailableHeight(void)
 {
-    return DENG_WINDOW->height() - UI_BORDER * 4;
+    return DENG_GAMEVIEW_HEIGHT - UI_BORDER * 4;
 }
 
 int UI_ScreenX(int relx)
@@ -419,16 +419,16 @@ int UI_Responder(const ddevent_t* ev)
             uiCX += ev->axis.pos;
             if(uiCX < 0)
                 uiCX = 0;
-            if(uiCX >= DENG_WINDOW->width())
-                uiCX = DENG_WINDOW->width() - 1;
+            if(uiCX >= DENG_GAMEVIEW_WIDTH)
+                uiCX = DENG_GAMEVIEW_WIDTH - 1;
         }
         else if(ev->axis.id == 1) // yaxis.
         {
             uiCY += ev->axis.pos;
             if(uiCY < 0)
                 uiCY = 0;
-            if(uiCY >= DENG_WINDOW->height())
-                uiCY = DENG_WINDOW->height() - 1;
+            if(uiCY >= DENG_GAMEVIEW_HEIGHT)
+                uiCY = DENG_GAMEVIEW_HEIGHT - 1;
         }
     }
 
@@ -486,24 +486,24 @@ void UI_Drawer(void)
     glMatrixMode(GL_PROJECTION);
     glPushMatrix();
     glLoadIdentity();
-    glOrtho(0, DENG_WINDOW->width(), DENG_WINDOW->height(), 0, -1, 1);
+    glOrtho(0, DENG_GAMEVIEW_WIDTH, DENG_GAMEVIEW_HEIGHT, 0, -1, 1);
 
     // Call the active page's drawer.
     uiCurrentPage->drawer(uiCurrentPage);
 
     // Draw mouse cursor?
-    if(!uiNoMouse && DENG_WINDOW->canvas().isMouseTrapped())
+    if(!uiNoMouse && ClientWindow::main().canvas().isMouseTrapped())
     {
         Point2Raw origin;
         Size2Raw size;
         float scale;
 
-        if(DENG_WINDOW->width() >= DENG_WINDOW->height())
-            scale = (DENG_WINDOW->width()  / UI_WIDTH)  *
-                    (DENG_WINDOW->height() / (float) DENG_WINDOW->width());
+        if(DENG_GAMEVIEW_WIDTH >= DENG_GAMEVIEW_HEIGHT)
+            scale = (DENG_GAMEVIEW_WIDTH  / UI_WIDTH)  *
+                    (DENG_GAMEVIEW_HEIGHT / (float) DENG_GAMEVIEW_WIDTH);
         else
-            scale = (DENG_WINDOW->height() / UI_HEIGHT) *
-                    (DENG_WINDOW->width()  / (float) DENG_WINDOW->height());
+            scale = (DENG_GAMEVIEW_HEIGHT / UI_HEIGHT) *
+                    (DENG_GAMEVIEW_WIDTH  / (float) DENG_GAMEVIEW_HEIGHT);
 
         origin.x = uiCX - 1;
         origin.y = uiCY - 1;
@@ -768,7 +768,7 @@ void UIPage_Drawer(ui_page_t *page)
     // Draw background?
     if(page->flags.showBackground)
     {
-        UI_DrawDDBackground(Point2Raw(0, 0), Size2Raw(DENG_WINDOW->width(), DENG_WINDOW->height()),
+        UI_DrawDDBackground(Point2Raw(0, 0), Size2Raw(DENG_GAMEVIEW_WIDTH, DENG_GAMEVIEW_HEIGHT),
                             uiAlpha);
     }
 
diff --git a/doomsday/client/src/ui/widgets/legacywidget.cpp b/doomsday/client/src/ui/widgets/legacywidget.cpp
index 13a6fb78d4..49ea5ec051 100644
--- a/doomsday/client/src/ui/widgets/legacywidget.cpp
+++ b/doomsday/client/src/ui/widgets/legacywidget.cpp
@@ -103,7 +103,7 @@ DENG2_PIMPL(LegacyWidget)
                 // Draw any full window game graphics.
                 if(App_GameLoaded() && gx.DrawWindow)
                 {
-                    Size2Raw dimensions(DENG_WINDOW->width(), DENG_WINDOW->height());
+                    Size2Raw dimensions(DENG_GAMEVIEW_WIDTH, DENG_GAMEVIEW_HEIGHT);
                     gx.DrawWindow(&dimensions);
                 }
             }
diff --git a/doomsday/client/src/ui/zonedebug.cpp b/doomsday/client/src/ui/zonedebug.cpp
index bbaf9147e2..5283d28c06 100644
--- a/doomsday/client/src/ui/zonedebug.cpp
+++ b/doomsday/client/src/ui/zonedebug.cpp
@@ -141,7 +141,7 @@ void Z_DebugDrawer(void)
     glMatrixMode(GL_PROJECTION);
     glPushMatrix();
     glLoadIdentity();
-    glOrtho(0, DENG_WINDOW->width(), DENG_WINDOW->height(), 0, -1, 1);
+    glOrtho(0, DENG_GAMEVIEW_WIDTH, DENG_GAMEVIEW_HEIGHT, 0, -1, 1);
 
     glMatrixMode(GL_MODELVIEW);
     glPushMatrix();
@@ -155,19 +155,19 @@ void Z_DebugDrawer(void)
     // Make sure all the volumes fit vertically.
     volCount = pd.volumeCount;
     h = 200;
-    if(h * volCount + 10*(volCount - 1) > DENG_WINDOW->height())
+    if(h * volCount + 10*(volCount - 1) > DENG_GAMEVIEW_HEIGHT)
     {
-        h = (DENG_WINDOW->height() - 10*(volCount - 1))/volCount;
+        h = (DENG_GAMEVIEW_HEIGHT - 10*(volCount - 1))/volCount;
     }
 
     i = 0;
     for(volume = pd.volumeRoot; volume; volume = volume->next, ++i)
     {
         RectRaw rect;
-        rect.size.width = MIN_OF(400, DENG_WINDOW->width());
+        rect.size.width = MIN_OF(400, DENG_GAMEVIEW_WIDTH);
         rect.size.height = h;
-        rect.origin.x = DENG_WINDOW->width() - rect.size.width - 1;
-        rect.origin.y = DENG_WINDOW->height() - rect.size.height*(i+1) - 10*i - 1;
+        rect.origin.x = DENG_GAMEVIEW_WIDTH - rect.size.width - 1;
+        rect.origin.y = DENG_GAMEVIEW_HEIGHT - rect.size.height*(i+1) - 10*i - 1;
         Z_DebugDrawVolume(&pd, volume, &rect);
     }