Doom is still a very good first-person shooter, even if it’s nearly 30 years old. But that first, world-changing chapter did lack something that its predecessor, Wolfenstein 3D, had plenty of—Nazi killin’. Thankfully a new total conversion mod for Doom, called Venturous, has fixed this and in the process created a whole Indiana Jones-inspired game. Released all the way back in 1993, the original Doom from id Software was a big step forward for video game technology and also helped popularize the first-person shooter genre. Even today, three decades later, people are still playing and modding Doom and all of...