escape key on pause

Pause/PauseKeyPressed.lua

@@ -1,7 +1,19 @@
 function PauseKeyPressed(key)
+	if key == "escape" then
+		-- quickly return to the game
+		if not _G.MUTED then
+			musicBattle:setVolume(0.5)
+			musicPause:setVolume(0)
+		else
+			musicBattle:setVolume(0)
+			musicPause:setVolume(0)
+		end
+		_G.GAMESTATE = "GAME"
+	end
+
 	if key == "return" then
 		-- quickly return to the game
-		if not MUTED then
+		if not _G.MUTED then
 			musicBattle:setVolume(0.5)
 			musicPause:setVolume(0)
 		else