'Red Dead Redemption' 2 Mod Is 'Shadow of Mordor' Meets the Wild West

The Lord of the Rings games Middle-earth: Shadow of Mordor and Shadow of War introduced the Nemesis system, a mechanic that makes enemy orcs remember encounters with the player, develop rivalries and return seeking revenge. The system helped set the games apart by turning random encounters into personal vendettas that could evolve over time.