The release of the original Doom in 1993 was a pivotal moment in video game history. Widely considered one of the most influential first-person shooters (FPS), Doom 's relatively sparse plot followed an unnamed marine (dubbed "Doom Guy" by fans) fighting demons on Mars.

Doom: The Dark Ages is a prequel to Doom 2016. The forces of hell are invading a realm heavily inspired by the medieval era, and the Doom Slayer is summoned to do what he does best: Rip and tear through demons.

Well, it looks like Id Software and Bethesda have learned their lesson in Doom: The Dark Ages. Whether you’re playing through the more straightforward levels or exploring the well-put-together open-ended areas, the game will throw up a warning whenever you’re about to cross a threshold and leave an area.