Endings:
Portal: Discover the Evil Graveyard, (eventually) drive out the zombies, reclaim, and "destory the Evil Portal" using 15 or more people. (Soldier Ending)
Constitution: find the Town Hall, clear and reclaim, then draft a constitution using 5 or more people. (Leader Ending)
Cure: Despite its name, does not require hospitals. After gaining all previous techs from Reseach Labs, the Cure for Zombieism ends the game with 5 or more people. (Scientist Ending)
Cleared: Obviously, reclaim all city blocks. (Builder Ending)
Don't be afraid to get any one of these endings, you can accomplish the others by selecting "Keep Playing" on the end screen. Rate this up so that everybody knows the 4 endings!
101 Damnations Badge (easy – 5 points)
Kill 101 damn dirty zombies in The Last Stand 2
101 zombies killed – This carries over across all games and attempts. You need 16 more.
Party of Five Badge (medium – 15 points)
Band together with 4 other survivors in The Last Stand 2
5 total survivors – They must all be alive at the same time. Best so far: 3.
Dawn of the Alive Badge (medium – 15 points)
Make your way to Union City in The Last Stand 2
Union City reached – Having trouble in Jonestown? Stockpile supplies early and skip it! in 1 try