时空边际 is a free iPhone game that transports players to a mysterious realm where heroes from various backgrounds unite to battle evil and explore the unknown. Players can collect a diverse array of heroes, each with unique skills and experiences, including sword-wielding warriors, futuristic mechanical fighters, and magical mages. The game emphasizes collaboration, allowing players to form distinct armies to tackle challenges and unlock new abilities.

The gameplay features a variety of strategies, enabling players to set up their heroes in real-time battles. With easy one-handed vertical controls, the game is designed for casual play without the pressure of extensive grinding or heavy spending. Players can enjoy generous in-game rewards, including a starting bonus of 1666 draws, making it accessible for everyone to acquire equipment and enhance their gameplay experience.