Research the cure EditTo gain this ending, you must first complete all of the other research. You also need 3 laboratories, and 5 free scientists. After that the option to research the cure will become available. During the process, you will be attacked by endless zombie hordes, unless you have closed the evil portal.
If you gain this ending, new zombies won't spawn.
Close the evil portal EditIn order to gain this ending, you need to reclaim the evil graveyard, which is overrun by zombies. Then, you will be able to send 10 soldiers there to destroy the evil portal. During the action you will be attacked by endless zombie hordes.
After destroying the portal, no more zombie hordes will spawn.
Draft a constitution EditTo get this ending, you need to reclaim the city hall. Further requirements are to have a reclaimed bar, a lab, a hospital and a school inside your fort, as well as a minimum of 50 percents happiness. After that you will gain the option to draft a constitution, which requires at least 5 free leaders. During the process you will be attacked by endless zombie hordes, unless you have closed the evil portal.
After fulfilling this mission your happiness will stay permanently at 100 percents.
Reclaim the city Edit
This ending is rather self explanatory, in order to gain it, you need to reclaim every tile on the map. Edit
Zombies win Edit
This ending is pretty simple.All you have to do to get this ending is to let all your survivors die.