diff --git a/src/gamedata/w_wad.cpp b/src/gamedata/w_wad.cpp
index d7d9911d8..5c37a5998 100644
--- a/src/gamedata/w_wad.cpp
+++ b/src/gamedata/w_wad.cpp
@@ -371,6 +371,12 @@ int FWadCollection::GetNumLumps () const
 	return NumLumps;
 }
 
+DEFINE_ACTION_FUNCTION(_Wads, GetNumLumps)
+{
+	PARAM_PROLOGUE;
+	ACTION_RETURN_INT(Wads.GetNumLumps());
+}
+
 //==========================================================================
 //
 // GetNumFiles
@@ -1220,6 +1226,15 @@ void FWadCollection::GetLumpName(FString &to, int lump) const
 	}
 }
 
+DEFINE_ACTION_FUNCTION(_Wads, GetLumpName)
+{
+	PARAM_PROLOGUE;
+	PARAM_INT(lump);
+	FString lumpname;
+	Wads.GetLumpName(lumpname, lump);
+	ACTION_RETURN_STRING(lumpname);
+}
+
 //==========================================================================
 //
 // FWadCollection :: GetLumpFullName
@@ -1238,6 +1253,13 @@ const char *FWadCollection::GetLumpFullName (int lump) const
 		return LumpInfo[lump].lump->Name;
 }
 
+DEFINE_ACTION_FUNCTION(_Wads, GetLumpFullName)
+{
+	PARAM_PROLOGUE;
+	PARAM_INT(lump);
+	ACTION_RETURN_STRING(Wads.GetLumpFullName(lump));
+}
+
 //==========================================================================
 //
 // FWadCollection :: GetLumpFullPath
@@ -1271,6 +1293,13 @@ int FWadCollection::GetLumpNamespace (int lump) const
 		return LumpInfo[lump].lump->Namespace;
 }
 
+DEFINE_ACTION_FUNCTION(_Wads, GetLumpNamespace)
+{
+	PARAM_PROLOGUE;
+	PARAM_INT(lump);
+	ACTION_RETURN_INT(Wads.GetLumpNamespace(lump));
+}
+
 //==========================================================================
 //
 // FWadCollection :: GetLumpIndexNum
diff --git a/wadsrc/static/zscript/base.zs b/wadsrc/static/zscript/base.zs
index 0f617050a..e3d4c0a32 100644
--- a/wadsrc/static/zscript/base.zs
+++ b/wadsrc/static/zscript/base.zs
@@ -873,6 +873,11 @@ struct Wads
 	native static int CheckNumForFullName(string name);
 	native static int FindLump(string name, int startlump = 0, FindLumpNamespace ns = GlobalNamespace);
 	native static string ReadLump(int lump);
+
+	native static int GetNumLumps();
+	native static string GetLumpName(int lump);
+	native static string GetLumpFullName(int lump);
+	native static int GetLumpNamespace(int lump);
 }
 
 struct TerrainDef native