diff --git a/src/nostalgia/modules/gfx/include/nostalgia/gfx/consts.hpp b/src/nostalgia/modules/gfx/include/nostalgia/gfx/consts.hpp
index be662241..95799f74 100644
--- a/src/nostalgia/modules/gfx/include/nostalgia/gfx/consts.hpp
+++ b/src/nostalgia/modules/gfx/include/nostalgia/gfx/consts.hpp
@@ -13,6 +13,7 @@ constexpr auto TileHeight = 8;
 constexpr auto PixelsPerTile = TileWidth * TileHeight;
 
 constexpr ox::StringLiteral FileExt_ng("ng");
+constexpr ox::StringLiteral FileExt_nts("nts");
 constexpr ox::StringLiteral FileExt_npal("npal");
 
 }
diff --git a/src/nostalgia/modules/gfx/src/studio/studiomodule.cpp b/src/nostalgia/modules/gfx/src/studio/studiomodule.cpp
index 5675c5dd..f0d63d19 100644
--- a/src/nostalgia/modules/gfx/src/studio/studiomodule.cpp
+++ b/src/nostalgia/modules/gfx/src/studio/studiomodule.cpp
@@ -14,14 +14,14 @@ namespace nostalgia::gfx {
 static class: public studio::Module {
 	ox::Vector<studio::EditorMaker> editors(studio::StudioContext &ctx) const noexcept final {
 		return {
-			studio::editorMaker<TileSheetEditorImGui>(ctx, FileExt_ng),
+			studio::editorMaker<TileSheetEditorImGui>(ctx, {FileExt_ng, FileExt_nts}),
 			studio::editorMaker<PaletteEditorImGui>(ctx, FileExt_npal),
 		};
 	}
 
 	ox::Vector<ox::UPtr<studio::ItemMaker>> itemMakers(studio::StudioContext&) const noexcept final {
 		ox::Vector<ox::UniquePtr<studio::ItemMaker>> out;
-		out.emplace_back(ox::make<studio::ItemMakerT<TileSheet>>("Tile Sheet", "TileSheets", FileExt_ng));
+		out.emplace_back(ox::make<studio::ItemMakerT<TileSheet>>("Tile Sheet", "TileSheets", FileExt_nts));
 		out.emplace_back(ox::make<studio::ItemMakerT<Palette>>("Palette", "Palettes", FileExt_npal, Palette{
 			.colorNames = {},
 			.pages = {{"Page 1", ox::Vector<PaletteColor>{}}},