In a hospital where the infected are wandering, a brother go to rescue a sister who is stuck.
With the tranquilizer gun in hand, go deeper into the hospital, putting infected people to sleep.

- Aiming using the gyroscope
Tilt the controller to aim the gun.
Enjoy the feeling as if you were actually holding the gun in your hand.

- A different map every time you play
The map changes every time you play, so you can play it again and again.

- Limited bullets
The number of bullets in the hospital is limited.
Depending on the situation, develop your own strategies, such as using striking weapons or closing the shutters to escape from enemies.