Many different creatures are coming to attack the castle. The crazy engineer has to defend the castle by responding with the weapons he has developed. You need to earn more gold to help the engineer. You can improve the castle and weapons with the gold you earn. You can also recruit the engineer's brothers to the task.
Mad Defense is a puzzle game from UznGames that mixes strategy. It runs in your browser with nothing to install and is best played on a computer with a keyboard and mouse.
In Mad Defense: Click (or tap on mobile) on the tiles, pieces or cells you want to interact with. Solve each level by following the rules shown on screen. Some puzzles support drag-and-drop to move pieces around.