diff --git a/source/duke3d/src/game.cpp b/source/duke3d/src/game.cpp
index 21c769393..cc8fad38d 100644
--- a/source/duke3d/src/game.cpp
+++ b/source/duke3d/src/game.cpp
@@ -116,6 +116,7 @@ int32_t hud_showmapname = 1;
 int32_t g_levelTextTime = 0;
 
 int32_t r_maxfps = 60;
+int32_t r_maxfpsoffset = 0;
 uint64_t g_frameDelay = 17;
 
 #if defined(RENDERTYPEWIN) && defined(USE_OPENGL)
diff --git a/source/duke3d/src/game.h b/source/duke3d/src/game.h
index 5ebffda3b..f1dfc252e 100644
--- a/source/duke3d/src/game.h
+++ b/source/duke3d/src/game.h
@@ -324,6 +324,7 @@ extern int32_t g_restorePalette;
 extern int32_t hud_glowingquotes;
 extern int32_t hud_showmapname;
 extern int32_t r_maxfps;
+extern int32_t r_maxfpsoffset;
 extern int32_t tempwallptr;
 extern int32_t ticrandomseed;
 extern int32_t vote_map;
diff --git a/source/duke3d/src/menus.cpp b/source/duke3d/src/menus.cpp
index 06dd08484..2265fdd94 100644
--- a/source/duke3d/src/menus.cpp
+++ b/source/duke3d/src/menus.cpp
@@ -522,12 +522,14 @@ static MenuOptionSet_t MEOS_VIDEOSETUP_VSYNC = MAKE_MENUOPTIONSET(MEOSN_VIDEOSET
 static MenuOption_t MEO_VIDEOSETUP_VSYNC = MAKE_MENUOPTION(&MF_Redfont, &MEOS_VIDEOSETUP_VSYNC, &newvsync);
 static MenuEntry_t ME_VIDEOSETUP_VSYNC = MAKE_MENUENTRY("VSync:", &MF_Redfont, &MEF_BigOptionsRt, &MEO_VIDEOSETUP_VSYNC, Option);
 
-static char const *MEOSN_VIDEOSETUP_FRAMELIMIT [] = { "None", "30 fps", "60 fps", "120 fps", };
-static int32_t MEOSV_VIDEOSETUP_FRAMELIMIT [] = { 0, 30, 60, 120 };
-static MenuOptionSet_t MEOS_VIDEOSETUP_FRAMELIMIT = MAKE_MENUOPTIONSET(MEOSN_VIDEOSETUP_FRAMELIMIT, MEOSV_VIDEOSETUP_FRAMELIMIT, 0x2);
+static char const *MEOSN_VIDEOSETUP_FRAMELIMIT [] = { "None", "30 fps", "60 fps", "120 fps", "144 fps", "165 fps", "240 fps" };
+static int32_t MEOSV_VIDEOSETUP_FRAMELIMIT [] = { 0, 30, 60, 120, 144, 165, 240 };
+static MenuOptionSet_t MEOS_VIDEOSETUP_FRAMELIMIT = MAKE_MENUOPTIONSET(MEOSN_VIDEOSETUP_FRAMELIMIT, MEOSV_VIDEOSETUP_FRAMELIMIT, 0x0);
 static MenuOption_t MEO_VIDEOSETUP_FRAMELIMIT= MAKE_MENUOPTION(&MF_Redfont, &MEOS_VIDEOSETUP_FRAMELIMIT, &r_maxfps);
 static MenuEntry_t ME_VIDEOSETUP_FRAMELIMIT = MAKE_MENUENTRY("Framerate limit:", &MF_Redfont, &MEF_BigOptionsRt, &MEO_VIDEOSETUP_FRAMELIMIT, Option);
 
+static MenuRangeInt32_t MEO_VIDEOSETUP_FRAMELIMITOFFSET = MAKE_MENURANGE( &r_maxfpsoffset, &MF_Redfont, -10, 10, 0, 21, 1 );
+static MenuEntry_t ME_VIDEOSETUP_FRAMELIMITOFFSET = MAKE_MENUENTRY( "FPS offset:", &MF_Redfont, &MEF_BigOptionsRt, &MEO_VIDEOSETUP_FRAMELIMITOFFSET, RangeInt32 );
 
 static MenuEntry_t ME_VIDEOSETUP_APPLY = MAKE_MENUENTRY( "Apply Changes", &MF_Redfont, &MEF_BigOptions_Apply, &MEO_NULL, Link );
 
@@ -536,8 +538,8 @@ static MenuLink_t MEO_DISPLAYSETUP_COLORCORR = { MENU_COLCORR, MA_Advance, };
 static MenuEntry_t ME_DISPLAYSETUP_COLORCORR = MAKE_MENUENTRY( "Color Correction", &MF_Redfont, &MEF_BigOptionsRt, &MEO_DISPLAYSETUP_COLORCORR, Link );
 
 
-static char const *MEOSN_DISPLAYSETUP_UPSCALING[] = { "None", "2x", "4x" };
-static int32_t MEOSV_DISPLAYSETUP_UPSCALING[] = { 1, 2, 4  };
+static char const *MEOSN_DISPLAYSETUP_UPSCALING[] = { "None", "2x" };
+static int32_t MEOSV_DISPLAYSETUP_UPSCALING[] = { 1, 2 };
 static MenuOptionSet_t MEOS_DISPLAYSETUP_UPSCALING = MAKE_MENUOPTIONSET( MEOSN_DISPLAYSETUP_UPSCALING, MEOSV_DISPLAYSETUP_UPSCALING, 0x0 );
 static MenuOption_t MEO_DISPLAYSETUP_UPSCALING = MAKE_MENUOPTION( &MF_Redfont, &MEOS_DISPLAYSETUP_UPSCALING, &ud.detail );
 static MenuEntry_t ME_DISPLAYSETUP_UPSCALING = MAKE_MENUENTRY( "Upscaling:", &MF_Redfont, &MEF_BigOptionsRt, &MEO_DISPLAYSETUP_UPSCALING, Option );
@@ -711,6 +713,7 @@ static MenuEntry_t *MEL_VIDEOSETUP[] = {
     &ME_VIDEOSETUP_FULLSCREEN,
     &ME_VIDEOSETUP_VSYNC,
     &ME_VIDEOSETUP_FRAMELIMIT,
+    &ME_VIDEOSETUP_FRAMELIMITOFFSET,
     &ME_Space6_Redfont,
     &ME_VIDEOSETUP_APPLY,
 };
@@ -1989,6 +1992,8 @@ static void Menu_Pre(MenuID_t cm)
               && vsync == newvsync
              )
              || (newrendermode != REND_CLASSIC && resolution[nr].bppmax <= 8));
+
+        MenuEntry_DisableOnCondition(&ME_VIDEOSETUP_FRAMELIMITOFFSET, !r_maxfps);
         break;
     }
 
@@ -3216,7 +3221,11 @@ static int32_t Menu_EntryOptionModify(MenuEntry_t *entry, int32_t newOption)
     }
     else if (entry == &ME_VIDEOSETUP_FRAMELIMIT)
     {
-        g_frameDelay = newOption ? (timerGetFreqU64()/newOption) : 0;
+        g_frameDelay = newOption ? (timerGetFreqU64()/(newOption + r_maxfpsoffset)) : 0;
+    }
+    else if (entry == &ME_VIDEOSETUP_FRAMELIMITOFFSET)
+    {
+        g_frameDelay = r_maxfps ? (timerGetFreqU64()/(r_maxfps + newOption)) : 0;
     }
 
     switch (g_currentMenu)
diff --git a/source/duke3d/src/osdcmds.cpp b/source/duke3d/src/osdcmds.cpp
index e4b417b6e..00d22d1f3 100644
--- a/source/duke3d/src/osdcmds.cpp
+++ b/source/duke3d/src/osdcmds.cpp
@@ -1390,10 +1390,10 @@ static int osdcmd_cvar_set_game(osdcmdptr_t parm)
         ud.statusbarmode = (ud.screen_size < 8);
         G_UpdateScreenArea();
     }
-    else if (!Bstrcasecmp(parm->name, "r_maxfps"))
+    else if (!Bstrcasecmp(parm->name, "r_maxfps") || !Bstrcasecmp(parm->name, "r_maxfpsoffset"))
     {
         if (r_maxfps != 0) r_maxfps = clamp(r_maxfps, 30, 1000);
-        g_frameDelay = r_maxfps ? (timerGetFreqU64()/r_maxfps) : 0;
+        g_frameDelay = r_maxfps ? (timerGetFreqU64()/(r_maxfps + r_maxfpsoffset)) : 0;
     }
     else if (!Bstrcasecmp(parm->name, "r_ambientlight"))
     {
@@ -1642,6 +1642,7 @@ int32_t registerosdcommands(void)
 
         { "r_ambientlight", "sets the global map light level",(void *)&r_ambientlight, CVAR_FLOAT|CVAR_FUNCPTR, 0, 10 },
         { "r_maxfps", "limit the frame rate",(void *)&r_maxfps, CVAR_INT|CVAR_FUNCPTR, 0, 1000 },
+        { "r_maxfpsoffset", "menu-controlled offset for r_maxfps",(void *)&r_maxfpsoffset, CVAR_INT|CVAR_FUNCPTR, -10, 10 },
 
         { "sensitivity","changes the mouse sensitivity", (void *)&CONTROL_MouseSensitivity, CVAR_FLOAT|CVAR_FUNCPTR, 0, 25 },