Fallback

In Fallback, players take control of the remnants of humanity, exiled to a subterranean city after an ecological disaster. Volunteers search for captured rebel leaders ready to join the fight against their former caretakers-turned-jailers.

In order to activate this game, you will require a third-party 'Steam' account. For full details on how to activate please follow this link: https://support.steampowered.com/kb_article.php?ref=5414-TFBN-1352