diff --git a/play.py b/play.py
index a8e683c..373451b 100644
--- a/play.py
+++ b/play.py
@@ -3,12 +3,19 @@ from yahtzee_goals import (
     GoalOnes, 
     GoalTwos, 
     GoalThrees,
+    GoalFours, 
+    GoalThreeOfAKind,
+    GoalYahtzee,
+
 )
 
 goals = [
     GoalOnes(), 
     GoalTwos(),
     GoalThrees(),
+    GoalFours(), 
+    GoalThreeOfAKind(),
+    GoalYahtzee(),
 ]
 
 game = Yachtzee(goals)
diff --git a/yahtzee_goals.py b/yahtzee_goals.py
index fce4e5a..7ee7ae3 100644
--- a/yahtzee_goals.py
+++ b/yahtzee_goals.py
@@ -43,3 +43,58 @@ class GoalThrees:
             if die.face == 3:
                 total += 3
         return total
+
+class GoalFours:
+    "Four points for each four"
+    used = False
+
+    def prompt(self, dice):
+        potential_score = self.score(dice)
+        return f"Fours ({potential_score})"
+
+    def score(self, dice):
+        total = 0
+        for die in dice:
+            if die.face == 4:
+                total += 4
+        return total
+    
+class GoalThreeOfAKind:
+    "add all dice, if all three dice have the same number"
+    used = False
+    def is_three_of_a_kind(self, dice):
+        if sum([d.face == dice[0].face for d in dice]) == 3:
+            return True
+        if sum([d.face == dice[1].face for d in dice]) == 3:
+            return True
+        if sum([d.face == dice[2].face for d in dice]) == 3:
+            return True
+        return False
+    
+    def prompt(self, dice):
+        potential_score = self.score(dice)
+        return f"Three of a kind ({potential_score})"
+
+    def score(self, dice):
+        total = 0
+        if self.is_three_of_a_kind(dice):
+            total = sum([d.face for d in dice])
+        return total
+    
+class GoalYahtzee:
+    """50 points if all the dice are all the same numbers"""
+    used = False
+    def is_Yahtzee(self, dice):
+        if sum([d.face == dice[0].face for d in dice]) == 5:
+            return True
+        return False
+    
+    def prompt(self, dice):
+        potential_score = self.score(dice)
+        return f"Yahtzee ({potential_score})"
+
+    def score(self, dice):
+        total = 0
+        if self.is_Yahtzee(dice):
+            total = 50
+        return total
\ No newline at end of file