Zombie Survival Players: Zombie Detective Towns Person Doctor Pick a card. Keep it a secret! To win, zombies must out number towns people. To win, towns people must out number zombies. How To Play: Zombies work together to kill towns people. Towns people vote to kill zombies. Doctors have the power to heal one person. The detective can find out who you are. There are two stages: Night and day. Night Everybody goes to sleep.