This is a tower defence game where you place various towers to defend against the waves of enemies.
HOW TO PLACE A TOWER -
To place a tower you must select the tower of choice on the bottom of the screen where there is a selection of towers along with prices, they all have various and unique attacks along with different prices depending on worth. Once you have selected a tower you are able to buy, In order to place it, you must simply click on a yellow circle.
HOW TO UPGRADE A TOWER -
After placing a tower you may notice that clicking on the tower allows you to see its range and 2 other buttons appearing. The button on the left is the Sell button, which allows you to remove the tower for some of the money back. The other button is a green arrow pointing upwards which is the upgrade button, the price varies on the tower and its level and clicking it will upgrade your tower's attack speed, damage and depending on the tower it will have an affect on other factors.