diff --git a/src/d_netcmd.c b/src/d_netcmd.c
index b950aec95..d42167b04 100644
--- a/src/d_netcmd.c
+++ b/src/d_netcmd.c
@@ -135,6 +135,7 @@ static void Command_Addfile(void);
 static void Command_ListWADS_f(void);
 static void Command_ListDoomednums_f(void);
 static void Command_cxdiag_f(void);
+static void Command_ListUnusedSprites_f(void);
 static void Command_RunSOC(void);
 static void Command_Pause(void);
 
@@ -398,6 +399,7 @@ void D_RegisterServerCommands(void)
 	COM_AddDebugCommand("listwad", Command_ListWADS_f);
 	COM_AddDebugCommand("listmapthings", Command_ListDoomednums_f);
 	COM_AddDebugCommand("cxdiag", Command_cxdiag_f);
+	COM_AddCommand("listunusedsprites", Command_ListUnusedSprites_f);
 
 	COM_AddCommand("runsoc", Command_RunSOC);
 	COM_AddCommand("pause", Command_Pause);
@@ -4992,6 +4994,46 @@ static void Command_cxdiag_f(void)
 		CONS_Printf("\x83""No errors detected! Good job\n");
 }
 
+void Command_ListUnusedSprites_f(void)
+{
+	size_t i, j;
+
+	CONS_Printf("\x82Printing sprite non-usage...\n");
+
+	for (i = 0; i < NUMSPRITES; i++)
+	{
+		if (sprites[i].numframes)
+		{
+			// We're only showing unused sprites...
+			continue;
+		}
+
+		if (i < SPR_FIRSTFREESLOT)
+		{
+			CONS_Printf("	\x87""hardcode SPR_""%.4s\n", sprnames[i]);
+			continue;
+		}
+
+		if (used_spr[(i-SPR_FIRSTFREESLOT)/8] == 0xFF)
+		{
+			for (j = 0; j < 8; j++)
+			{
+				CONS_Printf("	\x81""freeslot SPR_""%.4s\n", sprnames[i+j]);
+			}
+
+			i += j;
+		}
+
+		if (used_spr[(i-SPR_FIRSTFREESLOT)/8] & (1<<(i%8)))
+		{
+			CONS_Printf("	\x81""freeslot SPR_""%.4s\n", sprnames[i]);
+			continue;
+		}
+
+		break;
+	}
+}
+
 // =========================================================================
 //                            MISC. COMMANDS
 // =========================================================================