Marble Castle is an addictive iPhone game developed by LolTap. In this game, you are tasked with defending your castle from the square people who are at your door.

The objective of Marble Castle is to collect marbles and funnel them through a sophisticated contraption, merging them to forge powerful cannonballs. These cannonballs are then used to defend your castle and elevate your kingdom.

The gameplay is highly satisfying as you build the highest towers, upgrade the most skilled archers, and push back fearless armies. As you progress, you collect gold and become a billionaire, aiming to be the most respected king.

Marble Castle offers a challenging and strategic experience, requiring you to carefully plan your defenses and make strategic decisions to protect your kingdom. Can you create the best Marble Castle and defend your kingdom with cannonballs?