diff --git a/include/fs/archive_ext_save_data.hpp b/include/fs/archive_ext_save_data.hpp
index 6e7fe65b..fec923b4 100644
--- a/include/fs/archive_ext_save_data.hpp
+++ b/include/fs/archive_ext_save_data.hpp
@@ -9,6 +9,7 @@ public:
 	u64 getFreeBytes() override { Helpers::panic("ExtSaveData::GetFreeBytes unimplemented"); return 0;  }
 	std::string name() override { return "ExtSaveData::" + backingFolder; }
 
+	HorizonResult createDirectory(const FSPath& path) override;
 	HorizonResult createFile(const FSPath& path, u64 size) override;
 	HorizonResult deleteFile(const FSPath& path) override;
 
diff --git a/include/services/service_manager.hpp b/include/services/service_manager.hpp
index 437a5ea4..42025a3e 100644
--- a/include/services/service_manager.hpp
+++ b/include/services/service_manager.hpp
@@ -84,6 +84,7 @@ class ServiceManager {
 	void receiveNotification(u32 messagePointer);
 	void registerClient(u32 messagePointer);
 	void subscribe(u32 messagePointer);
+	void unsubscribe(u32 messagePointer);
 
   public:
 	ServiceManager(std::span<u32, 16> regs, Memory& mem, GPU& gpu, u32& currentPID, Kernel& kernel, const EmulatorConfig& config);
diff --git a/src/core/fs/archive_ext_save_data.cpp b/src/core/fs/archive_ext_save_data.cpp
index c07f3353..87b3662b 100644
--- a/src/core/fs/archive_ext_save_data.cpp
+++ b/src/core/fs/archive_ext_save_data.cpp
@@ -87,6 +87,27 @@ FileDescriptor ExtSaveDataArchive::openFile(const FSPath& path, const FilePerms&
 	return FileError;
 }
 
+HorizonResult ExtSaveDataArchive::createDirectory(const FSPath& path) {
+	if (path.type == PathType::UTF16) {
+		if (!isPathSafe<PathType::UTF16>(path)) {
+			Helpers::panic("Unsafe path in ExtSaveData::OpenFile");
+		}
+
+		fs::path p = IOFile::getAppData() / backingFolder;
+		p += fs::path(path.utf16_string).make_preferred();
+
+		if (fs::is_directory(p)) return Result::FS::AlreadyExists;
+		if (fs::is_regular_file(p)) {
+			Helpers::panic("File path passed to ExtSaveData::CreateDirectory");
+		}
+
+		bool success = fs::create_directory(p);
+		return success ? Result::Success : Result::FS::UnexpectedFileOrDir;
+	} else {
+		Helpers::panic("Unimplemented ExtSaveData::CreateDirectory");
+	}
+}
+
 std::string ExtSaveDataArchive::getExtSaveDataPathFromBinary(const FSPath& path) {
 	// TODO: Remove punning here
 	const u32 mediaType = *(u32*)&path.binary[0];
diff --git a/src/core/services/service_manager.cpp b/src/core/services/service_manager.cpp
index cb93b627..54e3ecf9 100644
--- a/src/core/services/service_manager.cpp
+++ b/src/core/services/service_manager.cpp
@@ -79,6 +79,7 @@ void ServiceManager::handleSyncRequest(u32 messagePointer) {
 		case Commands::RegisterClient: registerClient(messagePointer); break;
 		case Commands::GetServiceHandle: getServiceHandle(messagePointer); break;
 		case Commands::Subscribe: subscribe(messagePointer); break;
+		case Commands::Unsubscribe: unsubscribe(messagePointer); break;
 		default: Helpers::panic("Unknown \"srv:\" command: %08X", header);
 	}
 }
@@ -178,6 +179,14 @@ void ServiceManager::subscribe(u32 messagePointer) {
 	mem.write32(messagePointer + 4, Result::Success);
 }
 
+void ServiceManager::unsubscribe(u32 messagePointer) {
+	u32 id = mem.read32(messagePointer + 4);
+	log("srv::Unsubscribe (id = %d) (stubbed)\n", id);
+
+	mem.write32(messagePointer, IPC::responseHeader(0xA, 1, 0));
+	mem.write32(messagePointer + 4, Result::Success);
+}
+
 void ServiceManager::sendCommandToService(u32 messagePointer, Handle handle) {
 	switch (handle) {
 		// Breaking alphabetical order a bit to place the ones I think are most common at the top