diff --git a/clemgame/clemgame.py b/clemgame/clemgame.py
index 10b11d7207..52e7972ad7 100644
--- a/clemgame/clemgame.py
+++ b/clemgame/clemgame.py
@@ -838,12 +838,9 @@ def add_game_instance(self, experiment: Dict, game_id):
     def on_generate(self):
         raise NotImplementedError()
 
-    def generate(self):
+    def generate(self, filename="instances.json"):
         self.on_generate()
-        self.store()
-
-    def store(self):
-        self.store_file(self.instances, "instances.json", sub_dir="in")
+        self.store_file(self.instances, filename, sub_dir="in")
 
 
 def load_benchmarks(do_setup: bool = True) -> List[GameBenchmark]: