diff --git a/src/main.py b/src/main.py
index 4bd1027..7fd7a80 100644
--- a/src/main.py
+++ b/src/main.py
@@ -86,7 +86,7 @@ def get_amount_of_games():
     return statistic_to_return
 
 @app.get('/statistics/amount_of_games_over_time', response_model=statistic_classes.TimeLineStatistic)
-def get_amount_of_games_over_time(day_step: int = 1):
+def get_amount_of_games_over_time(day_step: int = 1, filter_expansions_out: bool = False, only_expansions: bool = False):
 
     def daterange(start_date: date, end_date: date, day_step):
         days = int((end_date - start_date).days)
@@ -96,9 +96,17 @@ def get_amount_of_games_over_time(day_step: int = 1):
     games_in_owned_collection = data_connection.get_user_owned_collection()
     games_in_owned_collection.sort(key=lambda x: x.acquisition_date)
 
+    start_date = games_in_owned_collection[0].acquisition_date
+
+    if filter_expansions_out:
+        games_in_owned_collection = boardgame_filters.filter_expansions_out(games_in_owned_collection)
+
+    if only_expansions:
+        games_in_owned_collection = boardgame_filters.filter_non_expansions_out(games_in_owned_collection)
+
     timeline_dict = {}
 
-    for current_date in daterange(games_in_owned_collection[0].acquisition_date, date.today(), day_step):
+    for current_date in daterange(start_date, date.today(), day_step):
         games_in_collection_at_date = list(filter(lambda game: game.acquisition_date <= current_date, games_in_owned_collection))
         timeline_dict[current_date] = len(games_in_collection_at_date)