"패시브 마스터 키우기" is a unique mobile RPG that emphasizes strategy and probability over conventional controls. In this game, all skills are passive and automatically activated, allowing players to focus on predicting variables and optimizing builds through combat and growth. The gameplay revolves around skill combinations and tactical decision-making, creating an engaging experience that challenges players to master their strategies.

Players can experiment with endless combinations of passive skills to create original builds, where luck and skill intersect for victory. The game features an automatic combat system, but players must remain vigilant as outcomes depend on their predictions and choices. With endless growth possibilities through skill upgrades and unique passives, players can take on formidable bosses and diverse challenges, striving to become the ultimate Passive Master.