diff --git a/include/beatsaber/beatsaber.h b/include/beatsaber/beatsaber.h
index 50960e0..29dd63f 100644
--- a/include/beatsaber/beatsaber.h
+++ b/include/beatsaber/beatsaber.h
@@ -12,6 +12,6 @@ std::string findBeatsaberInstallation();
 
 // when gamepath is empty, findBeatsaberInstallation is used to get a Path
 // from the installation folder as many mas as possible are loaded
-std::list<std::shared_ptr<BeatMap>> loadMapsfromInstallation(std::string gamePath = "");
+std::list<std::shared_ptr<BeatMap>> loadMapsfromInstallation(const std::string& filter = "", std::string gamePath = "");
 
 }
\ No newline at end of file
diff --git a/src/beatsaber.cpp b/src/beatsaber.cpp
index 19044ef..f28c937 100644
--- a/src/beatsaber.cpp
+++ b/src/beatsaber.cpp
@@ -74,7 +74,7 @@ std::string findBeatsaberInstallation() {
 	return ""; //not found
 }
 
-std::list<std::shared_ptr<BeatMap>> loadMapsfromInstallation(std::string gamePath) {
+std::list<std::shared_ptr<BeatMap>> loadMapsfromInstallation(const std::string& filter, std::string gamePath) {
 	if(gamePath.empty()) {
 		gamePath = findBeatsaberInstallation();
 	}
@@ -85,6 +85,10 @@ std::list<std::shared_ptr<BeatMap>> loadMapsfromInstallation(std::string gamePat
 
 	for(const auto& i : std::filesystem::directory_iterator(path / "Beat Saber_Data/CustomLevels")) {
 		if(i.exists()) {
+
+			std::string name = i.path().filename();
+			if(name.find(filter) == std::string::npos) continue;
+
 			if(i.is_directory()) {
 				//try to load
 				auto map = BeatMap::loadFromFolder(i.path().string());