diff --git a/src/menu/menu.cpp b/src/menu/menu.cpp
index 242e69ace..84f296cfd 100644
--- a/src/menu/menu.cpp
+++ b/src/menu/menu.cpp
@@ -1011,6 +1011,7 @@ CCMD(undocolorpic)
 DEFINE_GLOBAL(menuactive)
 DEFINE_GLOBAL(BackbuttonTime)
 DEFINE_GLOBAL(BackbuttonAlpha)
+DEFINE_GLOBAL(GameTicRate)
 
 DEFINE_FIELD(DMenu, mParentMenu)
 DEFINE_FIELD(DMenu, mMouseCapture);
diff --git a/wadsrc/static/zscript/base.zs b/wadsrc/static/zscript/base.zs
index b44b703f7..cfaf4685c 100644
--- a/wadsrc/static/zscript/base.zs
+++ b/wadsrc/static/zscript/base.zs
@@ -49,6 +49,7 @@ struct _ native	// These are the global variables, the struct is only here to av
 	native int LocalViewPitch;
 	native readonly @MusPlayingInfo musplaying;
 	native readonly bool generic_ui;
+	native readonly int GameTicRate;
 
 // sandbox state in multi-level setups:
 
diff --git a/wadsrc/static/zscript/ui/menu/menu.zs b/wadsrc/static/zscript/ui/menu/menu.zs
index 65a563211..a11e301e8 100644
--- a/wadsrc/static/zscript/ui/menu/menu.zs
+++ b/wadsrc/static/zscript/ui/menu/menu.zs
@@ -191,7 +191,7 @@ class Menu : Object native ui version("2.4")
 		}
 		else if (ev.type == UIEvent.Type_MouseMove)
 		{
-			BackbuttonTime = 4*Thinker.TICRATE;
+			BackbuttonTime = 4*GameTicRate;
 			if (mMouseCapture || m_use_mouse == 1)
 			{
 				res = MouseEventBack(MOUSE_Move, ev.MouseX, y);
diff --git a/wadsrc/static/zscript/ui/menu/readthis.zs b/wadsrc/static/zscript/ui/menu/readthis.zs
index 58904b0f4..59ea658ff 100644
--- a/wadsrc/static/zscript/ui/menu/readthis.zs
+++ b/wadsrc/static/zscript/ui/menu/readthis.zs
@@ -74,7 +74,7 @@ class ReadThisMenu : GenericMenu
 		}
 
 		screen.Dim(0, 1.0, 0,0, screen.GetWidth(), screen.GetHeight());
-		alpha = MIN((gametic - mInfoTic) * (3. / Thinker.TICRATE), 1.);
+		alpha = MIN((gametic - mInfoTic) * (3. / GameTicRate), 1.);
 		if (alpha < 1. && prevpic.IsValid())
 		{
 			screen.DrawTexture (prevpic, false, 0, 0, DTA_Fullscreen, true);
diff --git a/wadsrc/static/zscript/ui/statscreen/statscreen.zs b/wadsrc/static/zscript/ui/statscreen/statscreen.zs
index 7ee6e9eb7..5b1547133 100644
--- a/wadsrc/static/zscript/ui/statscreen/statscreen.zs
+++ b/wadsrc/static/zscript/ui/statscreen/statscreen.zs
@@ -633,7 +633,7 @@ class StatusScreen abstract play version("2.5")
 
 	bool autoSkip()
 	{
-		return wi_autoadvance > 0 && bcnt > (wi_autoadvance * Thinker.TICRATE);
+		return wi_autoadvance > 0 && bcnt > (wi_autoadvance * GameTicRate);
 	}
 
 	//====================================================================
@@ -703,7 +703,7 @@ class StatusScreen abstract play version("2.5")
 
 		CurState = ShowNextLoc;
 		acceleratestage = 0;
-		cnt = SHOWNEXTLOCDELAY * Thinker.TICRATE;
+		cnt = SHOWNEXTLOCDELAY * GameTicRate;
 		noautostartmap = bg.LoadBackground(true);
 	}
 
diff --git a/wadsrc/static/zscript/ui/statscreen/statscreen_coop.zs b/wadsrc/static/zscript/ui/statscreen/statscreen_coop.zs
index 6f40d9dcc..47941066a 100644
--- a/wadsrc/static/zscript/ui/statscreen/statscreen_coop.zs
+++ b/wadsrc/static/zscript/ui/statscreen/statscreen_coop.zs
@@ -23,7 +23,7 @@ class CoopStatusScreen : StatusScreen
 		FontScale = max(screen.GetHeight() / 400, 1);
 		RowHeight = int(max((displayFont.GetHeight() + 1) * FontScale, 1));
 
-		cnt_pause = Thinker.TICRATE;
+		cnt_pause = GameTicRate;
 
 		for (int i = 0; i < MAXPLAYERS; i++)
 		{
@@ -236,7 +236,7 @@ class CoopStatusScreen : StatusScreen
 			if (!--cnt_pause)
 			{
 				ng_state++;
-				cnt_pause = Thinker.TICRATE;
+				cnt_pause = GameTicRate;
 			}
 		}
 	}
diff --git a/wadsrc/static/zscript/ui/statscreen/statscreen_dm.zs b/wadsrc/static/zscript/ui/statscreen/statscreen_dm.zs
index 0a6e969db..49ae54ed3 100644
--- a/wadsrc/static/zscript/ui/statscreen/statscreen_dm.zs
+++ b/wadsrc/static/zscript/ui/statscreen/statscreen_dm.zs
@@ -33,7 +33,7 @@ class DeathmatchStatusScreen : StatusScreen
 		total_deaths = 0;
 
 		ng_state = 1;
-		cnt_pause = Thinker.TICRATE;
+		cnt_pause = GameTicRate;
 
 		for (i=0 ; i<MAXPLAYERS ; i++)
 		{
@@ -144,7 +144,7 @@ class DeathmatchStatusScreen : StatusScreen
 			if (!--cnt_pause)
 			{
 				ng_state++;
-				cnt_pause = Thinker.TICRATE;
+				cnt_pause = GameTicRate;
 			}
 		}
 	}
diff --git a/wadsrc/static/zscript/ui/statscreen/statscreen_sp.zs b/wadsrc/static/zscript/ui/statscreen/statscreen_sp.zs
index 3ea43d345..aaf5a202a 100644
--- a/wadsrc/static/zscript/ui/statscreen/statscreen_sp.zs
+++ b/wadsrc/static/zscript/ui/statscreen/statscreen_sp.zs
@@ -11,7 +11,7 @@ class DoomStatusScreen : StatusScreen
 		sp_state = 1;
 		cnt_kills[0] = cnt_items[0] = cnt_secret[0] = -1;
 		cnt_time = cnt_par = -1;
-		cnt_pause = Thinker.TICRATE;
+		cnt_pause = GameTicRate;
 	
 		cnt_total_time = -1;
 	}
@@ -28,7 +28,7 @@ class DoomStatusScreen : StatusScreen
 			cnt_items[0] = Plrs[me].sitems;
 			cnt_secret[0] = Plrs[me].ssecret;
 			cnt_time = Thinker.Tics2Seconds(Plrs[me].stime);
-			cnt_par = wbs.partime / Thinker.TICRATE;
+			cnt_par = wbs.partime / GameTicRate;
 			cnt_total_time = Thinker.Tics2Seconds(wbs.totaltime);
 		}
 
@@ -100,7 +100,7 @@ class DoomStatusScreen : StatusScreen
 			if (!intermissioncounter || cnt_total_time >= tsec)
 				cnt_total_time = tsec;
 
-			int psec = wbs.partime / Thinker.TICRATE;
+			int psec = wbs.partime / GameTicRate;
 			if (!intermissioncounter || cnt_par >= psec)
 			{
 				cnt_par = psec;
@@ -126,7 +126,7 @@ class DoomStatusScreen : StatusScreen
 			if (!--cnt_pause)
 			{
 				sp_state++;
-				cnt_pause = Thinker.TICRATE;
+				cnt_pause = GameTicRate;
 			}
 		}
 	}
diff --git a/wadsrc/static/zscript/ui/statusbar/alt_hud.zs b/wadsrc/static/zscript/ui/statusbar/alt_hud.zs
index 914850151..deaedf553 100644
--- a/wadsrc/static/zscript/ui/statusbar/alt_hud.zs
+++ b/wadsrc/static/zscript/ui/statusbar/alt_hud.zs
@@ -800,7 +800,7 @@ class AltHud ui
 
 				if (showMillis)
 				{
-					int millis  = (Level.time % Thinker.TICRATE) * (1000 / Thinker.TICRATE);
+					int millis  = (Level.time % GameTicRate) * 1000 / GameTicRate;
 					timeString = String.Format("%02i:%02i:%02i.%03i", hours, minutes, seconds, millis);
 				}
 				else if (showSeconds)