diff --git a/Source/d_main.c b/Source/d_main.c
index c3551470..990ee47c 100644
--- a/Source/d_main.c
+++ b/Source/d_main.c
@@ -1773,6 +1773,11 @@ void D_DoomMain(void)
     if (M_CheckParm ("-deathmatch"))
       deathmatch = 1;
 
+  // Start a deathmatch 3.0 game. Weapons stay in place and all items respawn
+  // after 30 seconds.
+  if (M_CheckParm ("-dm3"))
+    deathmatch = 3;
+
   switch ( gamemode )
     {
     case retail:
diff --git a/Source/p_mobj.c b/Source/p_mobj.c
index 7487fff5..773480ec 100644
--- a/Source/p_mobj.c
+++ b/Source/p_mobj.c
@@ -1005,7 +1005,8 @@ void P_RespawnSpecials (void)
   mapthing_t*   mthing;
   int           i;
 
-  if (deathmatch != 2 ||       // only respawn items in deathmatch
+  // AX: deathmatch 3 is a Crispy-specific change
+  if ((deathmatch != 2 && deathmatch != 3) ||  // only respawn items in deathmatch
       iquehead == iquetail ||  // nothing left to respawn?
       leveltime - itemrespawntime[iquetail] < 30*35) // wait 30 seconds
     return;
diff --git a/setup/multiplayer.c b/setup/multiplayer.c
index 4b8147d0..40a013f5 100644
--- a/setup/multiplayer.c
+++ b/setup/multiplayer.c
@@ -91,7 +91,7 @@ static const char *rekkr_skills[] =
 };
 
 static const char *gamemodes[] = { "Co-operative", "Deathmatch",
-                                   "Deathmatch 2.0" };
+                                   "Deathmatch 2.0", "Deathmatch 3.0" };
 
 static char *wads[NUM_WADS];
 static char *extra_params[NUM_EXTRA_PARAMS];
@@ -223,6 +223,10 @@ static void StartGame(int multiplayer)
         {
             AddCmdLineParameter(exec, "-altdeath");
         }
+        else if (deathmatch == 3) // AX: this is a Crispy-specific change
+        {
+            AddCmdLineParameter(exec, "-dm3");
+        }
 
         if (timer > 0)
         {
@@ -618,7 +622,7 @@ static txt_window_action_t *WadWindowAction(void)
 
 static txt_dropdown_list_t *GameTypeDropdown(void)
 {
-    return TXT_NewDropdownList(&deathmatch, gamemodes, 3);
+    return TXT_NewDropdownList(&deathmatch, gamemodes, 4);
 }
 
 // "Start game" menu.  This is used for the start server window