In the arena of CastleArena.io, the players have to fight against each other for the fame of being the last man survivor standing. This RPG Strategy game brings you an amazing yet challenging battle. You are given an amount of budget which you must use wisely to purchase buildings and units cards. Place the buildings in your own territory, then send the units out to get rid of the incoming waves of enemies sent by your real opponent. You have to play it with nice tactics because your rivals can get stronger than ever. Try to upgrade the buildings and units frequently to boost their power, so they can defeat the rivals more easily. Keep in mind that you won’t get wood or income from the unit cards. That’s why you must utilize the money carefully so you won’t destroy your economy. See if you can become the ultimate winner or not!