© 2026
ATC is a base building game set in a post-apocalyptic world featuring urban environments. Build a base across several layers with dozens of survivors. Fight other factions for the control of the remaining production centers and explore the world to find long forgotten resources and technologies.
After The Collapse is a base-building game set in a post-apocalyptic world featuring both urban and country-side environments. It features Z levels (ability to dig down to explore caverns and sewers) and the ability to manage multiple dozens of survivors in real-time. It also gives you the choice between playing as technology-minded humans, combat-focused mutants, or even a tribe of cannibals.
Your task is to manage a band of survivors and protect them against raiders, mutants, monsters, and other environmental threats. To do so, you'll have to build a base, discover new technologies, and scavenge for resources. As the game progresses, you'll send expeditions to explore a dynamic world map to find other survivors, repair resource production centers, deal with other factions, uncover hidden secrets, and retrieve lost technologies.
After The Collapse, on top of being a free-form base-building game with light 4X elements, also includes multiple scenarios and a very expansive Story Mode with an optional tutorial for newcomers.
After The Collapse features a long campaign that also serves as a tutorial in its early stages. It follows the adventures of a group of survivors since their arrival in the bunker which kept them alive during the Collapse. It also sets the game's official lore through cutscenes and interactive quests.
While Story Mode is played as a group of standard humans, in all other game modes and most scenarios, you can play as one of three archetypes:
As the game progresses, the world around you will change. Plants will grow, wither and die. Weather will change, impacting your crops. Creatures will start roaming the countryside and may enter your base when you don't expect it. Other factions will compete for the control of the critical resource production centers.
After the Collapse is under active development and will continue to receive free content updates regularly.
We respond to feedback and bug reports quickly.
After The Collapse is a very easy game to mod. Mod creators will enjoy its very robust engine and that all the game's data (from items to mobs or game events) is written in a simple, text-driven, format. More advanced modders will appreciate the ability to use LUA.
Of course, the Steam Workshop is fully supported.
English, French
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