CastleArena.io is a great online multiplayer strategy .iO game. Play the new combat with enemies around the world and show your abilities to destroy the foe’s castle while keeping your base safe. Try to destroy their troop first if you want to complete your mission! So, you will use given cards to deploy units and set down buildings. These items are located at the bottom of the screen. Besides, you need to earn enough resources to unlock upgrades for your stats. Good luck!
How to play
Use LMB to deploy units, build, and upgrade.