Quick! The square people are at your door!
Collect marbles and funnel them through your sophisticated contraption,
merge them to forge powerfull cannonballs to defend your castle and elevate your kingdom.


In this highly satisying game, you will build the highest towers, upgrade the most skilled archers, push back the most fearless armies, collect gold an become a billionaire to be the most respected king.

Can you create the best Marble Castle?