Castle Clash: Castle Defense is a free Android game developed by Optor Group, and falls under the category of strategy games. In this game, you get to be part of a large number of battles and develop your own tactics and strategy to crush your opponents' castle. The tower defense game is based on a castle defense and troops consisting of heroes, orcs, enemies, and kingdom guard. You must survive and fight in each tower war to fulfill a castle raid. The ultimate goal is to occupy your enemy's fortress and win the royale match.

You can create your own tower and develop a strategy defense to protect your frontier. You can choose between various strategies and tactics, and create three base battle decks for a tower attack, tower defense, or a kingdom defense. There is a large selection of legend troops, monsters, and their unique skills to choose from. You can collect new powerful monsters and troops in the age of war. The game is complicated by role elements such as improving the level during the battle and gaining experience, which can be used to unlock abilities, get additional attack, improve performance, and more.