diff --git a/tetris/modes/survival_a2.lua b/tetris/modes/survival_a2.lua
index 6d2f2c3..c2995fe 100644
--- a/tetris/modes/survival_a2.lua
+++ b/tetris/modes/survival_a2.lua
@@ -98,6 +98,9 @@ function SurvivalA2Game:onLineClear(cleared_row_count)
 		local new_level = math.min(self.level + cleared_row_count, 999)
 		if self.level == 999 or self:hitTorikan(self.level, new_level) then
 			self.clear = true
+            if self.level < 999 then
+                self.game_over = true
+            end
 		else
 			self.level = new_level
 		end
@@ -121,7 +124,8 @@ end
 
 function SurvivalA2Game:getLetterGrade()
 		if self.level >= 999 then return "GM"
-	elseif self.level >= 500 then return "M" 
+	elseif self.level >  500 then return "M" 
+	elseif self.level == 500 and not self.clear then return "M" 
 	else return "" end
 end
 
diff --git a/tetris/modes/survival_a3.lua b/tetris/modes/survival_a3.lua
index 860f2d8..6233782 100644
--- a/tetris/modes/survival_a3.lua
+++ b/tetris/modes/survival_a3.lua
@@ -147,13 +147,15 @@ function SurvivalA3Game:onLineClear(cleared_row_count)
 		local new_level = self.level + cleared_row_levels[cleared_row_count]
 		self:updateSectionTimes(self.level, new_level)
 		if new_level >= 1300 or self:hitTorikan(self.level, new_level) then
+            self.clear = true
 			if new_level >= 1300 then
 				self.level = 1300
+                self.grid:clear()
+                self.big_mode = true
+                self.roll_frames = -150
+            else
+                self.game_over = true
 			end
-			self.clear = true
-			self.grid:clear()
-			self.big_mode = true
-			self.roll_frames = -150
 		else
 			self.level = math.min(new_level, 1300)
 		end