Zombie Nightmare System Requirements

1. Most people were infected by an unidentified virus that suddenly spread.

2. By the time most people were infected, the virus was onset.

3. The infected people attacked the uninfected to death.

4. You have been severely injured in the past and protected by a clean capsule in unconscious condition at the hospital.

5. When you listen to the radio broadcasts of survivors, you have to go through zombies to join them.

6. - In each wave, many zombies appear and attack you.

7. - Use a firearm to kill them before the zombies attack you.

8. Only a few surviving humans escaped into bunkers deep underground.

9. - It is possible to operate with mouse and keyboard without VR.