More sounds added. Warning for edge of grave added, but it's not quite right yet.

src/player.py

@@ -19,7 +19,7 @@ class Player:
         # Inventory system
         self.inventory = []
         self.collectedItems = []
-        self.coins = 0
+        self._coins = 0
         
         # Combat related attributes
         self.weapons = []
@@ -103,6 +103,10 @@ class Player:
             if self._lives > 0:
                 self._health = 10  # Reset health if we still have lives
                 
+    def get_coins(self):
+        """Get remaining coins"""
+        return self._coins
+            
     def get_lives(self):
         """Get remaining lives"""
         return self._lives