diff --git a/src/emucore/EventHandler.cxx b/src/emucore/EventHandler.cxx
index aa158c4bb..91fdbb576 100644
--- a/src/emucore/EventHandler.cxx
+++ b/src/emucore/EventHandler.cxx
@@ -333,6 +333,14 @@ void EventHandler::handleSystemEvent(SystemEvent e, int, int)
 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
 void EventHandler::handleEvent(Event::Type event, bool pressed)
 {
+#ifdef RETRON77
+  static const string LEFT_DIFFICULTY = "P1 Skill";
+  static const string RIGHT_DIFFICULTY = "P2 Skill";
+#else
+  static const string LEFT_DIFFICULTY = "Left Difficulty";
+  static const string RIGHT_DIFFICULTY = "Right Difficulty";
+#endif
+
   // Take care of special events that aren't part of the emulation core
   // or need to be preprocessed before passing them on
   switch(event)
@@ -524,14 +532,14 @@ void EventHandler::handleEvent(Event::Type event, bool pressed)
       if(pressed)
       {
         myEvent.set(Event::ConsoleLeftDiffB, 0);
-        myOSystem.frameBuffer().showMessage("Left Difficulty A");
+        myOSystem.frameBuffer().showMessage(LEFT_DIFFICULTY + " A");
       }
       break;
     case Event::ConsoleLeftDiffB:
       if(pressed)
       {
         myEvent.set(Event::ConsoleLeftDiffA, 0);
-        myOSystem.frameBuffer().showMessage("Left Difficulty B");
+        myOSystem.frameBuffer().showMessage(LEFT_DIFFICULTY + " B");
       }
       break;
     case Event::ConsoleLeftDiffToggle:
@@ -541,13 +549,13 @@ void EventHandler::handleEvent(Event::Type event, bool pressed)
         {
           myEvent.set(Event::ConsoleLeftDiffA, 0);
           myEvent.set(Event::ConsoleLeftDiffB, 1);
-          myOSystem.frameBuffer().showMessage("Left Difficulty B");
+          myOSystem.frameBuffer().showMessage(LEFT_DIFFICULTY + " B");
         }
         else
         {
           myEvent.set(Event::ConsoleLeftDiffA, 1);
           myEvent.set(Event::ConsoleLeftDiffB, 0);
-          myOSystem.frameBuffer().showMessage("Left Difficulty A");
+          myOSystem.frameBuffer().showMessage(LEFT_DIFFICULTY + " A");
         }
         myOSystem.console().switches().update();
       }
@@ -557,14 +565,14 @@ void EventHandler::handleEvent(Event::Type event, bool pressed)
       if(pressed)
       {
         myEvent.set(Event::ConsoleRightDiffB, 0);
-        myOSystem.frameBuffer().showMessage("Right Difficulty A");
+        myOSystem.frameBuffer().showMessage(RIGHT_DIFFICULTY + " A");
       }
       break;
     case Event::ConsoleRightDiffB:
       if(pressed)
       {
         myEvent.set(Event::ConsoleRightDiffA, 0);
-        myOSystem.frameBuffer().showMessage("Right Difficulty B");
+        myOSystem.frameBuffer().showMessage(RIGHT_DIFFICULTY + " B");
       }
       break;
     case Event::ConsoleRightDiffToggle:
@@ -574,13 +582,13 @@ void EventHandler::handleEvent(Event::Type event, bool pressed)
         {
           myEvent.set(Event::ConsoleRightDiffA, 0);
           myEvent.set(Event::ConsoleRightDiffB, 1);
-          myOSystem.frameBuffer().showMessage("Right Difficulty B");
+          myOSystem.frameBuffer().showMessage(RIGHT_DIFFICULTY + " B");
         }
         else
         {
           myEvent.set(Event::ConsoleRightDiffA, 1);
           myEvent.set(Event::ConsoleRightDiffB, 0);
-          myOSystem.frameBuffer().showMessage("Right Difficulty A");
+          myOSystem.frameBuffer().showMessage(RIGHT_DIFFICULTY + " A");
         }
         myOSystem.console().switches().update();
       }
diff --git a/src/gui/CommandDialog.cxx b/src/gui/CommandDialog.cxx
index d213fb2d3..2dd8399f3 100644
--- a/src/gui/CommandDialog.cxx
+++ b/src/gui/CommandDialog.cxx
@@ -29,6 +29,16 @@
 #include "TIASurface.hxx"
 #include "CommandDialog.hxx"
 
+#ifdef RETRON77
+  static const string SELECT = "Mode";
+  static const string LEFT_DIFF = "P1 Skill";
+  static const string RIGHT_DIFF = "P2 Skill";
+#else
+  static const string SELECT = "Select";
+  static const string LEFT_DIFF = "Left Diff";
+  static const string RIGHT_DIFF = "Right Diff";
+#endif
+
 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
 CommandDialog::CommandDialog(OSystem& osystem, DialogContainer& parent)
   : Dialog(osystem, parent, osystem.frameBuffer().font(), "Commands")
@@ -57,7 +67,7 @@ CommandDialog::CommandDialog(OSystem& osystem, DialogContainer& parent)
   };
 
   // Column 1
-  bw = ADD_CD_BUTTON("Select", kSelectCmd);
+  bw = ADD_CD_BUTTON(SELECT, kSelectCmd);
   wid.push_back(bw);
   bw = ADD_CD_BUTTON("Reset", kResetCmd);
   wid.push_back(bw);
@@ -112,8 +122,8 @@ void CommandDialog::loadConfig()
 {
   // Column 1
   myColorButton->setLabel(instance().console().switches().tvColor() ? "Color Mode" : "B/W Mode");
-  myLeftDiffButton->setLabel(instance().console().switches().leftDifficultyA() ? "Left Diff A" : "Left Diff B");
-  myRightDiffButton->setLabel(instance().console().switches().rightDifficultyA() ? "Right Diff A" : "Right Diff B");
+  myLeftDiffButton->setLabel(LEFT_DIFF + (instance().console().switches().leftDifficultyA() ? " A" : " B"));
+  myRightDiffButton->setLabel(RIGHT_DIFF + (instance().console().switches().rightDifficultyA() ? " A" : " B"));
   // Column 2
   updateSlot(instance().state().currentSlot());
   myTimeMachineButton->setLabel(instance().state().mode() == StateManager::Mode::TimeMachine ?
diff --git a/src/gui/GameInfoDialog.cxx b/src/gui/GameInfoDialog.cxx
index db0e1f6cf..f5e6e08c4 100644
--- a/src/gui/GameInfoDialog.cxx
+++ b/src/gui/GameInfoDialog.cxx
@@ -137,12 +137,23 @@ GameInfoDialog::GameInfoDialog(
 
   //////////////////////////////////////////////////////////////////////////////
   // 2) Console properties
+#ifdef RETRON77
+  static const string TV_TYPE          = "TV type  ";
+  static const string LEFT_DIFFICULTY  = "P1 Skill ";
+  static const string RIGHT_DIFFICULTY = "P2 Skill ";
+
+#else
+  static const string TV_TYPE          = "TV type          ";
+  static const string LEFT_DIFFICULTY  = "Left Difficulty  ";
+  static const string RIGHT_DIFFICULTY = "Right Difficulty ";
+#endif
+
   wid.clear();
   tabID = myTab->addTab("Console");
 
   xpos = HBORDER; ypos = VBORDER;
 
-  StaticTextWidget* s = new StaticTextWidget(myTab, font, xpos, ypos + 1, "TV type          ");
+  StaticTextWidget* s = new StaticTextWidget(myTab, font, xpos, ypos + 1, TV_TYPE);
   myTVTypeGroup = new RadioButtonGroup();
   RadioButtonWidget* r = new RadioButtonWidget(myTab, font, s->getRight(), ypos + 1,
                             "Color", myTVTypeGroup);
@@ -153,10 +164,10 @@ GameInfoDialog::GameInfoDialog(
   wid.push_back(r);
   ypos += lineHeight + VGAP * 2;
 
-  s = new StaticTextWidget(myTab, font, xpos, ypos+1, "Left difficulty  ");
+  s = new StaticTextWidget(myTab, font, xpos, ypos+1, LEFT_DIFFICULTY);
   myLeftDiffGroup = new RadioButtonGroup();
   r = new RadioButtonWidget(myTab, font, s->getRight(), ypos + 1,
-                                               "A (Expert)", myLeftDiffGroup);
+                            "A (Expert)", myLeftDiffGroup);
   wid.push_back(r);
   ypos += lineHeight;
   r = new RadioButtonWidget(myTab, font, s->getRight(), ypos + 1,
@@ -164,7 +175,7 @@ GameInfoDialog::GameInfoDialog(
   wid.push_back(r);
   ypos += lineHeight + VGAP * 2;
 
-  s = new StaticTextWidget(myTab, font, xpos, ypos+1, "Right difficulty ");
+  s = new StaticTextWidget(myTab, font, xpos, ypos+1, RIGHT_DIFFICULTY);
   myRightDiffGroup = new RadioButtonGroup();
   r = new RadioButtonWidget(myTab, font, s->getRight(), ypos + 1,
                             "A (Expert)", myRightDiffGroup);
diff --git a/src/gui/GlobalPropsDialog.cxx b/src/gui/GlobalPropsDialog.cxx
index 77bcf34ae..1a43265d4 100644
--- a/src/gui/GlobalPropsDialog.cxx
+++ b/src/gui/GlobalPropsDialog.cxx
@@ -28,6 +28,16 @@
 #include "LauncherDialog.hxx"
 #include "GlobalPropsDialog.hxx"
 
+#ifdef RETRON77
+  static const string SELECT = "Mode";
+  static const string LEFT_DIFFICULTY = "P1 Skill";
+  static const string RIGHT_DIFFICULTY = "P2 Skill";
+#else
+  static const string SELECT = "Select";
+  static const string LEFT_DIFFICULTY = "Left Difficulty";
+  static const string RIGHT_DIFFICULTY = "Right Difficulty";
+#endif
+
 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
 GlobalPropsDialog::GlobalPropsDialog(GuiObject* boss, const GUI::Font& font)
   : Dialog(boss->instance(), boss->parent(), font, "Power-on options"),
@@ -74,7 +84,7 @@ GlobalPropsDialog::GlobalPropsDialog(GuiObject* boss, const GUI::Font& font)
   ypos += lineHeight + VGAP;
 
   // Left difficulty
-  new StaticTextWidget(this, font, xpos, ypos+1, "Left difficulty");
+  new StaticTextWidget(this, font, xpos, ypos+1, LEFT_DIFFICULTY);
   items.clear();
   VarList::push_back(items, "Default", "DEFAULT");
   VarList::push_back(items, "A (Expert)", "A");
@@ -85,7 +95,7 @@ GlobalPropsDialog::GlobalPropsDialog(GuiObject* boss, const GUI::Font& font)
   ypos += lineHeight + VGAP;
 
   // Right difficulty
-  new StaticTextWidget(this, font, xpos, ypos+1, "Right difficulty");
+  new StaticTextWidget(this, font, xpos, ypos+1, RIGHT_DIFFICULTY);
   // ... use same items as above
   myRightDiff = new PopUpWidget(this, font, xpos+lwidth, ypos,
                                 pwidth, lineHeight, items, "");
@@ -173,7 +183,7 @@ int GlobalPropsDialog::addHoldWidgets(const GUI::Font& font, int x, int y,
   // Console Select/Reset
   t = new StaticTextWidget(this, font, xpos, ypos+2, "Console");
   ypos += t->getHeight() + VGAP;
-  myHoldSelect = new CheckboxWidget(this, font, xpos, ypos, "Select");
+  myHoldSelect = new CheckboxWidget(this, font, xpos, ypos, SELECT);
   ypos += myHoldSelect->getHeight() + VGAP;
   myHoldReset = new CheckboxWidget(this, font, xpos, ypos, "Reset");
 
diff --git a/src/gui/MinUICommandDialog.cxx b/src/gui/MinUICommandDialog.cxx
index cb5ab7df1..0326d3cf8 100644
--- a/src/gui/MinUICommandDialog.cxx
+++ b/src/gui/MinUICommandDialog.cxx
@@ -31,6 +31,16 @@
 
 #include "MinUICommandDialog.hxx"
 
+#ifdef RETRON77
+  static const string SELECT = "Mode";
+  static const string LEFT_DIFF = "P1 Skill";
+  static const string RIGHT_DIFF = "P2 Skill";
+#else
+  static const string SELECT = "Select";
+  static const string LEFT_DIFF = "Left Diff";
+  static const string RIGHT_DIFF = "Right Diff";
+#endif
+
 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
 MinUICommandDialog::MinUICommandDialog(OSystem& osystem, DialogContainer& parent)
   : Dialog(osystem, parent, osystem.frameBuffer().font(), "Commands"),
@@ -61,7 +71,7 @@ MinUICommandDialog::MinUICommandDialog(OSystem& osystem, DialogContainer& parent
   };
 
   // Column 1
-  bw = ADD_CD_BUTTON("Select", kSelectCmd);
+  bw = ADD_CD_BUTTON(SELECT, kSelectCmd);
   wid.push_back(bw);
   bw = ADD_CD_BUTTON("Reset", kResetCmd);
   wid.push_back(bw);
@@ -123,8 +133,8 @@ void MinUICommandDialog::loadConfig()
 {
   // Column 1
   myColorButton->setLabel(instance().console().switches().tvColor() ? "Color Mode" : "B/W Mode");
-  myLeftDiffButton->setLabel(instance().console().switches().leftDifficultyA() ? "P1 Skill A" : "P1 Skill B");
-  myRightDiffButton->setLabel(instance().console().switches().rightDifficultyA() ? "P2 Skill A" : "P2 Skill B");
+  myLeftDiffButton->setLabel(LEFT_DIFF + (instance().console().switches().leftDifficultyA() ? " A" : " B"));
+  myRightDiffButton->setLabel(RIGHT_DIFF + (instance().console().switches().rightDifficultyA() ? " A" : " B"));
   // Column 2
   updateSlot(instance().state().currentSlot());
   updateWinds();