diff --git a/scoreboard.py b/scoreboard.py
index 6e673b8..a34cea4 100644
--- a/scoreboard.py
+++ b/scoreboard.py
@@ -73,35 +73,35 @@ class Scoreboard:
         # Sort high scores by score value in descending order
         self.highScores.sort(key=lambda x: x['score'], reverse=True)
                 
-    def getScore(self):
+    def get_score(self):
         """Get current score."""
         return self.currentScore
         
-    def getHighScores(self):
+    def get_highScores(self):
         """Get list of high scores."""
         return self.highScores
         
-    def decreaseScore(self, points=1):
+    def decrease_score(self, points=1):
         """Decrease the current score."""
         self.currentScore -= int(points)
         return self
         
-    def increaseScore(self, points=1):
+    def increase_score(self, points=1):
         """Increase the current score."""
         self.currentScore += int(points)
         return self
         
-    def setScore(self, score):
+    def set_score(self, score):
         """Set the current score to a specific value."""
         self.currentScore = int(score)
         return self
         
-    def resetScore(self):
+    def reset_score(self):
         """Reset the current score to zero."""
         self.currentScore = 0
         return self
         
-    def checkHighScore(self):
+    def check_high_score(self):
         """Check if current score qualifies as a high score.
         
         Returns:
@@ -112,7 +112,7 @@ class Scoreboard:
                 return i + 1
         return None
         
-    def addHighScore(self, name=None):
+    def add_high_score(self, name=None):
         """Add current score to high scores if it qualifies.
         
         Args:
@@ -178,7 +178,7 @@ class Scoreboard:
         return True
 
     @staticmethod
-    def hasHighScores():
+    def has_high_scores():
         """Check if the current game has any high scores.
         
         Returns:
@@ -220,7 +220,7 @@ class Scoreboard:
             return False
 
     @staticmethod
-    def displayHighScores():
+    def display_high_scores():
         """Display high scores for the current game.
         
         Reads the high scores from Scoreboard class.