Fallen Earth is described as 'It’s 2156, and the world has been destroyed by both nuclear and bio-chemical means. Your story takes place in one of the few habitable places left in the world, the Grand Canyon'. There are five games similar to Fallen Earth for a variety of platforms, including Windows, Steam, Playstation, Xbox and Epic Games Store. The best alternative is Fallout. It's not free, so if you're looking for a free alternative, you could try STALKER: Shadow of Chernobyl. Other Fallen Earth like games are Metro Game Series (Paid), The Outer Worlds (Paid) and Next Day (Paid).
Fallout is an RPG game that is occurring after a nuclear war what destroyed the entire world as we now it. But there was a few people that survived in "Volts" and they created the "new world". Represent entire series of Fallout games including Fallout, Fallout 2, Fallout: New Vegas, Fallout 4, Fallout 76.
Metro 2033 is a survival horror first-person shooter video game, based on the novel Metro 2033 by Russian author Dmitry Glukhovsky. Metro 2033 was developed by 4A Games in Ukraine, and was released on Microsoft Windows and Xbox 360 in March 2010.
Lost in transit while on a colonist ship bound for the furthest edge of the galaxy, you awake decades later only to find yourself in the midst of a deep conspiracy threatening to destroy the Halcyon colony.
Next Day is a multi-player, survival game set in an imaginary country in Eastern Europe. Carry out an array of tasks, learn skills, and develop your character. Have shootouts with opponents and earn a reputation.