Idle Heroes is a mobile role-playing game where players collect and upgrade a variety of heroes to battle against enemies. The game features a mix of idle gameplay mechanics, allowing heroes to fight automatically while players are away, and strategic elements where players can choose the best team compositions and formations. Players can explore different game modes, including campaigns, dungeons, and PvP arenas. As they progress, they earn resources to enhance their heroes' abilities, unlock new characters, and participate in events. The game emphasizes teamwork and strategy, making it engaging for both casual and dedicated players.