What if zombies appeared in the subways of South Korea? The subway has been overrun by zombies infected with a deadly virus. You must rescue the survivors trapped underground. An RPG about a secretly strong K-schoolgirl on a mission to save survivors—"Underground Z"! Fast-paced, thrilling battles! Experience the excitement of skill-based action! Your journey begins with a "K-schoolgirl"! Use her hidden abilities to rescue survivors in the subway. Utilize a variety of supply crates to overcome upcoming challenges! Rescued survivors can become your battle allies, growing stronger over time. Are you ready for an adrenaline-pumping train adventure? Unravel hidden secrets with her! Experience a spectacular adventure on a train overrun by zombies! Play the survival rescue RPG, "Underground Z"!