GTA: Kingdom Rush Game
The kingdom is under attack by goblins and they would take no prisoner. The king knows that his land is in danger. Fortunately, some brave men rise to the occasion and tried to stop the goblins from entering. In this game, you need to depend the country form demons and the likes. You need to put some station and fight the demons. As you make some progress, your defense would be strengthened. You need money to make some defenses and you can get that from killing monsters. The game would be more challenging as you make some progress.