Watch the show based on the games, play the games, it’s the adaptation cycle.
The Fallout games are becoming popular again, thanks to the new TV adaptation. Per SteamDB, individual player counts for Fallout: New Vegas, Fallout 4, and Fallout 76 all doubled days before its April 11 premiere, then during the weekend.
Of the three, Fallout 4 had the most players at a peak of near-83,500 players on April 14, then Fallout 76 (39,455) and New Vegas (19,300). As of April 15 (today), Fallout 4 has nearly 68,000 players.