diff --git a/commandline.cpp b/commandline.cpp
index ddcaf396..58952bfb 100644
--- a/commandline.cpp
+++ b/commandline.cpp
@@ -482,6 +482,9 @@ else if(args()[0] == '-' && args()[1] == x && args()[2] == '0') { showstartmenu
     PHASEFROM(2);
     reptilecheat = true; autocheat = true; firstland = laReptile;
     }
+  else if(argis("-bright")) {    
+    bright = true;
+    }
 #if CAP_SDL
   else if(argis("-pngshot")) {
     PHASE(3); shift(); 
diff --git a/graph.cpp b/graph.cpp
index bc72c025..ee2d6c41 100644
--- a/graph.cpp
+++ b/graph.cpp
@@ -3320,8 +3320,11 @@ void qfloor_eswap(cell *c, const transmatrix& V, const hpcshape& sh, int col) {
     qfloor(c, V, sh, col);
   };
 
+bool bright;
+
 // how much to darken
 int getfd(cell *c) {
+  if(bright) return 0;
   switch(c->land) {
     case laRedRock:
     case laReptile: