Send report to us, if you can't play game or has other problems (try reload page again)
Use the mouse to interact with objects, drag your cards and buildings to your arena side.
Prove that you have nice strategic abilities by joining a fun Tower Defense Upgrades game called CastleArena.io. The battle between you and the enemy is ready, so you must quickly purchase buildings and units cards, then use them wisely to get rid of all waves of enemies. Place your buildings in the realm carefully, control then send out your troops so they can help you destroy the incoming rivals. The most important thing is that you should time the assaults to make your rival unable to protect his realm. Be sure to upgrade the stats of your units and buildings so they can get stronger than ever. Another thing you need to keep in mind is that the unit cards don’t give you income or wood. Hence, you need to use your budget in a proper way. Your goal is to demolish the Castle of your enemy! Let’s play it now! Have fun!