If you manage to find a legacy copy or key, the minimum requirements are very low by modern standards: Immune - Steam Community
December 9, 2016 (Initial Early Access began in late 2014). Key Features (Historical) Immune: True Survival Download PC Game
Options included building forts or occupying existing houses to store loot and defend against attackers. If you manage to find a legacy copy
Sandbox Survival MMORPG with a top-down isometric perspective. Immune: True Survival Download PC Game
Shut Down . The official website confirms the game is no longer available.
Featured both PvP (Player vs. Player) and PvE (Player vs. Environment), though critics noted the AI could be quite difficult. Technical Requirements (PC)