It took Zero Master only two days to complete Doom’s Ultra-Nightmare mode.
Nightmare mode will be familiar to id Software fans, where the game is the same as it is on hard (in regards to the health and strength of enemies) except enemies respawn after they are killed. Ultra-Nightmare ramps the difficulty up even further by giving players only one life. If you die in Ultra-Nightmare mode, the game simply ends.
This feat is arguably even more impressive considering the developers at id Software couldn’t even beat the game’s hardest mode. For a player to achieve this in only two days after launch is incredibly impressive.
Check out the video of the full run below, coming in at just under five hours. Zero Master has recorded his footage at 1080p 60FPS, showing off the game in its full glory. If you watch the video below, you may notice grey skulls scattered on the floor in several areas, those skulls represent a player’s death.