diff --git a/deps/nostalgia/src/nostalgia/modules/gfx/include/nostalgia/gfx/consts.hpp b/deps/nostalgia/src/nostalgia/modules/gfx/include/nostalgia/gfx/consts.hpp
index 9b781ef..887c7cc 100644
--- a/deps/nostalgia/src/nostalgia/modules/gfx/include/nostalgia/gfx/consts.hpp
+++ b/deps/nostalgia/src/nostalgia/modules/gfx/include/nostalgia/gfx/consts.hpp
@@ -16,6 +16,11 @@ constexpr ox::StringLiteral FileExt_ng{"ng"};
 constexpr ox::StringLiteral FileExt_nts{"nts"};
 constexpr ox::StringLiteral FileExt_npal{"npal"};
 
+constexpr ox::Array<ox::StringLiteral, 2> FileExts_TileSheet{
+	FileExt_nts,
+	FileExt_ng,
+};
+
 [[nodiscard]]
 constexpr bool isTileSheet(ox::StringViewCR path) noexcept {
 	return endsWith(path, FileExt_nts) || endsWith(path, FileExt_ng);
diff --git a/deps/nostalgia/src/olympic/studio/modlib/include/studio/filepickerpopup.hpp b/deps/nostalgia/src/olympic/studio/modlib/include/studio/filepickerpopup.hpp
index acbebce..4829738 100644
--- a/deps/nostalgia/src/olympic/studio/modlib/include/studio/filepickerpopup.hpp
+++ b/deps/nostalgia/src/olympic/studio/modlib/include/studio/filepickerpopup.hpp
@@ -24,6 +24,8 @@ class FilePickerPopup {
 	public:
 		explicit FilePickerPopup(ox::StringParam name, keel::Context &kctx, ox::StringParam fileExt) noexcept;
 
+		explicit FilePickerPopup(ox::StringParam name, keel::Context &kctx, ox::SpanView<ox::StringLiteral> fileExts) noexcept;
+
 		explicit FilePickerPopup(ox::StringParam name, keel::Context &kctx, ox::Vector<ox::String> fileExts) noexcept;
 
 		void refresh() noexcept;
diff --git a/deps/nostalgia/src/olympic/studio/modlib/src/filepickerpopup.cpp b/deps/nostalgia/src/olympic/studio/modlib/src/filepickerpopup.cpp
index e4390ff..c965c0e 100644
--- a/deps/nostalgia/src/olympic/studio/modlib/src/filepickerpopup.cpp
+++ b/deps/nostalgia/src/olympic/studio/modlib/src/filepickerpopup.cpp
@@ -26,6 +26,22 @@ FilePickerPopup::FilePickerPopup(
 	m_fileExts{std::move(fileExt)} {
 }
 
+FilePickerPopup::FilePickerPopup(
+	ox::StringParam name,
+	keel::Context &kctx,
+	ox::SpanView<ox::StringLiteral> fileExts) noexcept:
+	m_name{std::move(name)},
+	m_explorer{kctx},
+	m_fileExts{[fileExts] {
+		ox::Vector<ox::String> out;
+		out.reserve(fileExts.size());
+		for (auto &s : fileExts) {
+			out.emplace_back(s);
+		}
+		return out;
+	}()} {
+}
+
 FilePickerPopup::FilePickerPopup(
 	ox::StringParam name,
 	keel::Context &kctx,