Thượng Cổ Truyền Kỳ is an idle game developed by 3T Online Entertainment Joint Stock Company. It is a full version game available only on the iPhone platform. The game is set in an imaginary world where players can experience a unique blend of mythical creatures and ancient Chinese culture.

One of the unique features of this game is the ability to create special formations and battle formations to defeat the enemies. The game has a beautiful and realistic graphics interface that allows players to experience the game's world in detail. The game also has an Idle mode, where players can automatically level up and engage in battles with mythical creatures without the need for constant attention.

Thượng Cổ Truyền Kỳ is a game that offers players a chance to explore a world of mythical creatures and experience a unique blend of Chinese culture. With its beautiful graphics, unique features, and Idle mode, it is an excellent game for players who want to experience a world of fantasy.