GTA: Keeper of the Grove
A long time ago, monster began attacking and men can't do anything against them. They are powerless as the monsters are stronger. Fortunately, the keeper of the Grove step in and help men to win against the monsters. The monsters were driven off, but they promise to return. After a few decades, the monster return, but this time their target is the jewel that the keeper holds. The monsters know that getting the jewel is the key to the victory. the keeper wasn't surprise and he long prepared for this war. The game is played with a mouse and the idea here is erect some towers , to which will fight against the monsters. Each kill would earn you money and you can use it to erect more towers or upgrade an existing one.