The Fallout and Red Dead Redemption franchises are home to two of gaming's most popular open worlds with their detailed world-building and environmental design making their respective worlds feel alive. But despite being two entirely different genres set across vastly different time periods, the Fallout and Red Dead Redemption series share a lot more in common than just their open worlds. As each series has gone on, the similarities in the games' greater themes and lore have become more closely aligned than fans might realize at first glance.