diff --git a/binding/graphics-binding.cpp b/binding/graphics-binding.cpp
index de2c6e67..3f8e3666 100644
--- a/binding/graphics-binding.cpp
+++ b/binding/graphics-binding.cpp
@@ -242,7 +242,8 @@ DEF_GRA_PROP_I(Brightness)
 
 DEF_GRA_PROP_B(Fullscreen)
 DEF_GRA_PROP_B(ShowCursor)
-DEF_GRA_PROP_F(Scale);
+DEF_GRA_PROP_F(Scale)
+DEF_GRA_PROP_B(Frameskip)
 
 #define INIT_GRA_PROP_BIND(PropName, prop_name_s) \
 { \
@@ -286,4 +287,5 @@ void graphicsBindingInit()
     INIT_GRA_PROP_BIND( Fullscreen, "fullscreen"  );
     INIT_GRA_PROP_BIND( ShowCursor, "show_cursor" );
     INIT_GRA_PROP_BIND( Scale,      "scale"       );
+    INIT_GRA_PROP_BIND( Frameskip,  "frameskip"   );
 }
diff --git a/mkxp.json.sample b/mkxp.json.sample
index 0f8da5e2..2cf8b571 100644
--- a/mkxp.json.sample
+++ b/mkxp.json.sample
@@ -114,7 +114,9 @@
     // "fixedFramerate": 0,
 
 
-    // Skip (don't draw) frames when behind
+    // Skip (don't draw) frames when behind.
+    // Can be changed at runtime, but this is the
+    // default value when the game starts.
     // (default: disabled)
     //
     // "frameSkip": false,
diff --git a/src/graphics.cpp b/src/graphics.cpp
index 24584209..92cd511d 100644
--- a/src/graphics.cpp
+++ b/src/graphics.cpp
@@ -425,6 +425,9 @@ struct GraphicsPrivate {
 
   FPSLimiter fpsLimiter;
 
+  // Can be set from Ruby. Takes priority over config setting.
+  bool useFrameSkip;
+
   bool frozen;
   TEXFBO frozenScene;
   Quad screenQuad;
@@ -438,7 +441,8 @@ struct GraphicsPrivate {
         winSize(rtData->config.defScreenW, rtData->config.defScreenH),
         screen(scRes.x, scRes.y), threadData(rtData),
         glCtx(SDL_GL_GetCurrentContext()), frameRate(DEF_FRAMERATE),
-        frameCount(0), brightness(255), fpsLimiter(frameRate), frozen(false) {
+        frameCount(0), brightness(255), fpsLimiter(frameRate),
+        useFrameSkip(rtData->config.frameSkip), frozen(false) {
     recalculateScreenSize(rtData);
     updateScreenResoRatio(rtData);
 
@@ -595,7 +599,7 @@ void Graphics::update() {
     return;
 
   if (p->fpsLimiter.frameSkipRequired()) {
-    if (p->threadData->config.frameSkip) {
+    if (p->useFrameSkip) {
       /* Skip frame */
       p->fpsLimiter.delay();
       ++p->frameCount;
@@ -928,7 +932,11 @@ void Graphics::reset() {
   setBrightness(255);
 }
 
-void Graphics::center() { p->threadData->ethread->requestWindowCenter(); }
+void Graphics::center() {
+  if (getFullscreen())
+    return;
+  p->threadData->ethread->requestWindowCenter();
+}
 
 bool Graphics::getFullscreen() const {
   return p->threadData->ethread->getFullscreen();
@@ -968,6 +976,10 @@ void Graphics::setScale(double factor) {
   }
 }
 
+bool Graphics::getFrameskip() const { return p->useFrameSkip; }
+
+void Graphics::setFrameskip(bool value) { p->useFrameSkip = value; }
+
 Scene *Graphics::getScreen() const { return &p->screen; }
 
 void Graphics::repaintWait(const AtomicFlag &exitCond, bool checkReset) {
diff --git a/src/graphics.h b/src/graphics.h
index d32035ae..8c9b8ed9 100644
--- a/src/graphics.h
+++ b/src/graphics.h
@@ -63,7 +63,8 @@ public:
 	/* Non-standard extension */
 	DECL_ATTR( Fullscreen, bool )
 	DECL_ATTR( ShowCursor, bool )
-    DECL_ATTR( Scale,    double )
+  DECL_ATTR( Scale,    double )
+	DECL_ATTR( Frameskip, bool )
 
 	/* <internal> */
 	Scene *getScreen() const;