diff --git a/src/net/torvald/terrarum/IngameInstance.kt b/src/net/torvald/terrarum/IngameInstance.kt
index 6e01acb4b..a1fa1814d 100644
--- a/src/net/torvald/terrarum/IngameInstance.kt
+++ b/src/net/torvald/terrarum/IngameInstance.kt
@@ -1,5 +1,6 @@
 package net.torvald.terrarum
 
+import com.badlogic.gdx.Input
 import com.badlogic.gdx.utils.Disposable
 import com.badlogic.gdx.utils.GdxRuntimeException
 import net.torvald.terrarum.App.printdbg
@@ -9,6 +10,7 @@ import net.torvald.terrarum.gameactors.ActorID
 import net.torvald.terrarum.gameactors.ActorWithBody
 import net.torvald.terrarum.gameactors.ActorWithBody.Companion.PHYS_EPSILON_DIST
 import net.torvald.terrarum.gameactors.BlockMarkerActor
+import net.torvald.terrarum.gamecontroller.KeyToggler
 import net.torvald.terrarum.gamecontroller.TerrarumKeyboardEvent
 import net.torvald.terrarum.gameitems.ItemID
 import net.torvald.terrarum.gameworld.GameWorld
@@ -165,6 +167,7 @@ open class IngameInstance(val batch: FlippingSpriteBatch, val isMultiplayer: Boo
 
     override fun show() {
         // the very basic show() implementation
+        KeyToggler.forceSet(Input.Keys.F4, false)
 
         // add blockmarking_actor into the actorlist
         (CommonResourcePool.get("blockmarking_actor") as BlockMarkerActor).let {
diff --git a/src/net/torvald/terrarum/TerrarumAppConfiguration.kt b/src/net/torvald/terrarum/TerrarumAppConfiguration.kt
index 6094cb2c4..bd8101ecf 100644
--- a/src/net/torvald/terrarum/TerrarumAppConfiguration.kt
+++ b/src/net/torvald/terrarum/TerrarumAppConfiguration.kt
@@ -67,7 +67,7 @@ basegame
     // Commit counts up to the Release 0.3.1: 2278
     // Commit counts up to the Release 0.3.2: 2732
 
-    const val VERSION_TAG: String = "test002"
+    const val VERSION_TAG: String = "test003"
 
     //////////////////////////////////////////////////////////
     //             CONFIGURATION FOR TILE MAKER             //
diff --git a/src/net/torvald/terrarum/modulebasegame/IngameRenderer.kt b/src/net/torvald/terrarum/modulebasegame/IngameRenderer.kt
index eb4348ce5..7b8c43d1b 100644
--- a/src/net/torvald/terrarum/modulebasegame/IngameRenderer.kt
+++ b/src/net/torvald/terrarum/modulebasegame/IngameRenderer.kt
@@ -391,8 +391,10 @@ object IngameRenderer : Disposable {
             batch.shader = null
             batch.color = Color.WHITE
 
-            uiContainer?.forEach {
-                it?.render(batch, camera)
+            if (!KeyToggler.isOn(Input.Keys.F4)) {
+                uiContainer?.forEach {
+                    it?.render(batch, camera)
+                }
             }
         }
 
diff --git a/src/net/torvald/terrarum/modulebasegame/TitleScreen.kt b/src/net/torvald/terrarum/modulebasegame/TitleScreen.kt
index 0edeb7cab..1981a8d73 100644
--- a/src/net/torvald/terrarum/modulebasegame/TitleScreen.kt
+++ b/src/net/torvald/terrarum/modulebasegame/TitleScreen.kt
@@ -258,6 +258,8 @@ class TitleScreen(batch: FlippingSpriteBatch) : IngameInstance(batch) {
     override fun show() {
         printdbg(this, "show() called")
 
+        KeyToggler.forceSet(Input.Keys.F4, false)
+
         initViewPort(App.scr.width, App.scr.height)