The .rar extension indicates that the game's data has been compressed using the WinRAR archival format.
Players are tasked with surviving a zombie outbreak in an Arctic setting. The game features scavenging for food, water, and fuel, as well as crafting items and using vehicles. Ice.Station.Z.rar
Files found on "abandonware" or pirate sites are common vectors for malware, trojans, or "ransomware" disguised as game data. or "ransomware" disguised as game data.