diff --git a/game.lua b/game.lua
index cedc761..8aab246 100644
--- a/game.lua
+++ b/game.lua
@@ -344,6 +344,17 @@ function Game:draw()
         love.graphics.printf("You succeeded at scaling up the Tower of Scale, and displayed the mastery over the power scaling!", 8,80,232,"center")
         love.graphics.printf("SCORE:"..player_power_to_string(self.player_power),0,128,248,"center")
         
+        if self.player_power >= 10000000000 then
+            love.graphics.printf("GRADE: S",0,144,248,"center")
+        elseif self.player_power >= 1000000000 then
+            love.graphics.printf("GRADE: A",0,144,248,"center")
+        elseif self.player_power >= 100000000 then
+            love.graphics.printf("GRADE: B",0,144,248,"center")
+        elseif self.player_power >= 10000000 then
+            love.graphics.printf("GRADE: C",0,144,248,"center")
+        else
+            love.graphics.printf("GRADE: D",0,144,248,"center")
+        end
         love.graphics.printf("Want to do better?\nPress Z to undo!", 0,200,248,"center")
         love.graphics.pop()
         return