Monster Royale is a free-to-play casual strategy defense game developed by doldo2soft. The game allows players to collect and grow monster cards and battle them against other players. With a variety of monsters available, including Godzilla, King Kong, Zombie, Space Monster, Angel, and Baby Dragon, players can use special monsters to defeat and defend against their opponents and take over the Central Tower.

The game has an easy-to-play touch interface, and players can collect and upgrade Unit Card Magic Card and Defense Building Card for Monster Royale. In challenge mode, players receive a treasure chest every time they win. However, some game items can be purchased for a fee in cash, and players must set a purchase password in the Store app settings to avoid unwanted charges.

Overall, Monster Royale is an exciting game that offers a unique and engaging gameplay experience. Players can create the strongest battle deck and overwhelm their opponents with their battle experience and winning streaks, collecting stronger monsters in the process. For any inquiries, players can refer to the frequently asked questions and answers or contact the customer center through the in-game settings.