One zombie (murder) needs to secretly infect the innocents, One head scientist (sheriff) gets Infint antidotes(cool down) and get ten antidotes for 10 injections that can be used to save players and once the innocents all get infected or all zombies get cured the game end.
Challenges
What’s up doc: cure 500 zombies
Dirt Nap: infect 500 players
Maps: The great outdoors
The lab
The cruise