Surviving Mars is free to claim on Steam for 24 hours September 7, 2021 by admin Tweet Paradox Interactive has kicked off another giveaway of its Red Planet-set city building and management game Surviving Mars. This time the promotion is running on Steam, but only for a single day. Read more… Neowin Related Posts:Surviving Mars Deluxe Edition is free to claim on…Surviving Mars: Below and Beyond expansion brings…Terraforming Mars is free to claim on the Epic Games StoreDead Island: Riptide is free to claim on Steam for…The original Mafia is free to claim on Steam