Storyline

American Dad! Apocalypse Soon revolves around the alien invasion in Langley Falls by the alien species dubbed the Collectors. Proceeding the kidnapping of Stan Smith's family, Deputy Director Bullock recruits Stan to defeat them using his underground base and growing army of Rogers', arguing that the fate of mankind is in his hands!

Timeline
The general storymode revolves around completing the seven levels of the game; Langley Falls, Pearl Bailey High, Chimdale Prison, Collector's Flying Saucer, CIA Office, Route 666, and finally The North Pole, by beating all of their many stages, Upgrading Stan's underground base and Rogers' in the process. Completely side events, Morning Mimosa and Bazooka Sharks' Nest, can also be accessed, amongst other limited time events that take place around holidays.