SimPocalypse

"SimPocalypse is a single-player Role Playing game that offers 12 hours of playtime, where you manage a post-apocalyptic settlement with expanding citizenship. Your goals include surviving post-apocalyptic times, establishing strong settlement fundamentals, exploring and scavenging for resources, expanding your economy, researching, advancing, battling, and ensuring your people's satisfaction in various fields. Control the game using your mouse, with customizable hotkeys for convenience."