diff --git a/desktop_version/src/Game.cpp b/desktop_version/src/Game.cpp
index c8fdc0d7..b33333a0 100644
--- a/desktop_version/src/Game.cpp
+++ b/desktop_version/src/Game.cpp
@@ -5930,6 +5930,10 @@ void Game::customloadquick(const std::string& savfile)
         {
             map.customshowmm = help.Int(pText);
         }
+        else if (SDL_strcmp(pKey, "mapreveal") == 0)
+        {
+            map.revealmap = help.Int(pText);
+        }
         else if (SDL_strcmp(pKey, "disabletemporaryaudiopause") == 0)
         {
             disabletemporaryaudiopause = help.Int(pText);
@@ -6369,6 +6373,8 @@ bool Game::customsavequick(const std::string& savfile)
 
     xml::update_tag(msgs, "showminimap", (int) map.customshowmm);
 
+    xml::update_tag(msgs, "mapreveal", (int) map.revealmap);
+
     xml::update_tag(msgs, "disabletemporaryaudiopause", (int) disabletemporaryaudiopause);
 
     xml::update_tag(msgs, "showtrinkets", (int) map.showtrinkets);
diff --git a/desktop_version/src/Map.cpp b/desktop_version/src/Map.cpp
index ee7a904f..2b822c11 100644
--- a/desktop_version/src/Map.cpp
+++ b/desktop_version/src/Map.cpp
@@ -55,6 +55,7 @@ mapclass::mapclass(void)
     custommmxoff=0; custommmyoff=0; custommmxsize=0; custommmysize=0;
     customzoom=0;
     customshowmm=true;
+    revealmap = true;
 
     rcol = 0;
 
@@ -198,6 +199,12 @@ void mapclass::resetmap(void)
     SDL_memset(explored, 0, sizeof(explored));
 }
 
+void mapclass::fullmap(void)
+{
+    //mark the whole map as explored
+    SDL_memset(explored, 1, sizeof(explored));
+}
+
 void mapclass::updateroomnames(void)
 {
     if (roomnameset)
@@ -1304,12 +1311,15 @@ static void copy_short_to_int(int* dest, const short* src, const size_t size)
 void mapclass::loadlevel(int rx, int ry)
 {
     int t;
-    if (!finalmode)
+    if (revealmap)
     {
-        setexplored(rx - 100, ry - 100, true);
-        if (rx == 109 && !custommode)
+        if (!finalmode)
         {
-            exploretower();
+            setexplored(rx - 100, ry - 100, true);
+            if (rx == 109 && !custommode)
+            {
+                exploretower();
+            }
         }
     }
 
diff --git a/desktop_version/src/Map.h b/desktop_version/src/Map.h
index d809c2e7..243938c6 100644
--- a/desktop_version/src/Map.h
+++ b/desktop_version/src/Map.h
@@ -58,6 +58,8 @@ public:
 
     void resetmap(void);
 
+    void fullmap(void);
+
     void updateroomnames(void);
 
     void initmapdata(void);
@@ -125,6 +127,8 @@ public:
     bool isexplored(const int rx, const int ry);
     void setexplored(const int rx, const int ry, const bool status);
 
+    bool revealmap;
+
     int background;
     int rcol;
     int tileset;
diff --git a/desktop_version/src/Script.cpp b/desktop_version/src/Script.cpp
index b4cd8f9b..188ef45c 100644
--- a/desktop_version/src/Script.cpp
+++ b/desktop_version/src/Script.cpp
@@ -1330,6 +1330,28 @@ void scriptclass::run(void)
                 map.setexplored(19, 7, false);
                 map.setexplored(19, 8, false);
             }
+            else if (words[0] == "mapexplored")
+            {
+                if (words[1] == "none")
+                {
+                    map.resetmap();
+                }
+                else if (words[1] == "all")
+                {
+                    map.fullmap();
+                }
+            }
+            else if (words[0] == "mapreveal")
+            {
+                if (words[1] == "on")
+                {
+                    map.revealmap = true;
+                }
+                else if (words[1] == "off")
+                {
+                    map.revealmap = false;
+                }
+            }
             else if (words[0] == "showteleporters")
             {
                 map.showteleporters = true;
@@ -2830,6 +2852,7 @@ void scriptclass::startgamemode(const enum StartMode mode)
         map.custommode = true;
         map.custommodeforreal = false;
         map.customshowmm = true;
+        map.revealmap = true;
 
         if (cl.levmusic > 0)
         {
@@ -2856,6 +2879,7 @@ void scriptclass::startgamemode(const enum StartMode mode)
         cl.findstartpoint();
 
         map.customshowmm = true;
+        map.revealmap = true;
 
         music.fadeout();
         game.customstart();
@@ -3228,7 +3252,8 @@ void scriptclass::hardreset(void)
     map.cameraseekframe = 0;
     map.resumedelay = 0;
     graphics.towerbg.scrolldir = 0;
-    map.customshowmm=true;
+    map.customshowmm = true;
+    map.revealmap = true;
 
     SDL_memset(map.roomdeaths, 0, sizeof(map.roomdeaths));
     SDL_memset(map.roomdeathsfinal, 0, sizeof(map.roomdeathsfinal));