They Are Billions

They Are Billions is a post-apocalyptic steampunk-themed real time strategy and survival game played by Markiplier.

Game information
They Are Billions is a strategy game in a distant future about building and managing human colonies after a zombie apocalypse destroyed almost all of human kind. Now there are only a few thousand humans left alive that must struggle to survive under the threat of the infection. Billions of infected roam around the world in massive swarms seeking the last living human colonies.

Episode

 * BILLIONS OF ZOMBIES