FIRST YOU NEED TO HAVE MAP EDITOR MOD TO WORK !!!
Map editor: https://allmods.net/red-dead-redemption-2/tools-red-dead-redemption-2/rdr2-map-editor-v0-10/
Mods i recomend to use:
rampage trainer: https://www.nexusmods.com/reddeadredemption2/mods/233
gopro_2027's Playground(i use to spanw zombies): https://www.nexusmods.com/reddeadredemption2/mods/64
red dead radio: https: https://www.nexusmods.com/reddeadredemption2/mods/529
rdr1 soundtrack: https: //www.nexusmods.com/reddeadredemption2/mods/666
rdr1 undead nightmare soundtrack: https: //www.nexusmods.com/reddeadredemption2/mods/672
red dead revolver soundtrack: https://www.nexusmods.com/reddeadredemption2/mods/695
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You just need to put the "Fort Mercer UN" map in Red Dead Redemption 2 \ MapEditor \ Maps
In the game you press F5 to open the map editor menu and go to load map and select "Fort Mercer UN"
