In , Earth has been rendered uninhabitable by nuclear war and a subsequent radioactive fog that blankets the surface. To survive, humanity has constructed massive towers with "cliffs" at the top—elevated platforms where small colonies must be built. The game focuses on resource management, trade between different cliffs, and defending against environmental threats. Key Features of Version 1.31
: The game is praised for its minimalist, clean sci-fi art style and "chill" yet stressful management loop. Technical Note Cliff.Empire.v1.31.zip
: You often manage three cliffs at once. Success depends on setting up trade routes between them so that a cliff rich in water can supply one rich in electricity. In , Earth has been rendered uninhabitable by
: This version significantly expanded the combat and defense systems. Players must defend their cliff cities against raiding marauders using turrets, shields, and orbital strikes. Key Features of Version 1