diff --git a/src/elironwars/app.py b/src/elironwars/app.py
index 8e086b9..34fa7f2 100644
--- a/src/elironwars/app.py
+++ b/src/elironwars/app.py
@@ -1,3 +1,5 @@
+import logging
+import os
 import sys
 
 from .level import Level
@@ -43,6 +45,10 @@ def play_donjon(level: Level) -> None:
 
 
 def app() -> None:
+    os.makedirs('logs', exist_ok=True)
+    logging.basicConfig(filename='logs/app.log', level=logging.getLevelName(os.environ.get('ELIRON_LOGS', 'ERROR')))
+    logging.info('start')
+
     loaded_character = load_character(sys.argv[1] if len(sys.argv) > 1 else "Jamin")
     if not loaded_character:
         sys.exit(-1)