diff --git a/src/settings.py b/src/settings.py
index 9a2c153..9f1ab32 100644
--- a/src/settings.py
+++ b/src/settings.py
@@ -13,6 +13,14 @@ COLOR_DOOR_BORDER = (100, 90, 80)
 COLOR_HP_BAR_GREEN = (0, 255, 0)
 COLOR_HP_BAR_BG = (50, 50, 50)
 
+
+# --- ECTS ---
+START_ECTS_VALUE = 1        # how many ECTS are generated at the beginning
+ECTS_UPDATE_INTERVAL = 1000 # time in ms = 1 sec
+
+BEER_BOTTLE_ECTS_VALUE = 2
+BEER_COST = 50
+
 # --- BUTTONS ---
 COLOR_BUTTON = (0, 255, 0)
 COLOR_BUTTON_HOVER = (200, 255, 0)