Idle Kingdom Defense is a new castle defense RPG game that combines the elements of tower defense and large-scale combat simulation. It is available for free on the iPhone platform. The game is set in a mysterious and beautiful medieval world where you become a medieval hero and command large-scale battles to protect your kingdom.

The game allows you to fight alongside powerful support heroes, each with unique abilities such as dealing powerful damage over a wide area or summoning multiple magic soldiers to fight. You can also command strong warrior heroes who face monsters directly and prevent them from advancing. Additionally, you can nurture your Archer Corps, with powerful soldiers who pour rain of arrows on your enemies and incapacitate them with various crowd control tactics.

Idle Kingdom Defense offers offline rewards that can be piled up with the game turned off, as well as multi-battle rewards that you can earn by watching automatic battles. You can earn Archer equipment and hero equipment with offline rewards and multi-battle rewards, bringing you the fun of item farming. Moreover, you can conquer various continents in Conquest Wars, including pasture continents, glacier continents, and rock continents.

Overall, Idle Kingdom Defense is an immersive and fun game for fans of castle defense RPGs. The game is playable offline and is available for free on the iPhone platform.