ATB Arena is a free mobile game developed by Artnation Corporation LTD. The game is an action-packed adventure that allows players to collect a variety of unique cards and revive heroes. The ultimate goal of the game is to become the champion of the Arena.

The game features a wide range of cards that players can collect, each with its unique abilities and attributes. Players can build their own custom deck using these cards and use them to battle against other players in the Arena. The game also features a variety of different game modes, including a story mode, a multiplayer mode, and a tournament mode.

Overall, ATB Arena is an exciting and engaging mobile game that offers a unique and fun experience for players of all skill levels. With its impressive graphics, intuitive gameplay, and challenging battles, it's no wonder why this game has become so popular among mobile gamers.