Zero-Master

Zero-Master is a Norwegian Doom speedrunner who, as of December 2022, submitted some 240 demos to the Doom Speed Demo Archive. Together with Ryan Krafnick (Kraflab), Zero-Master also created and maintains the DSDA website.

Speedrunning achievements
Zero-Master was the first player who completed the UV pacifist runs for the following maps:
 * Against Thee Wickedly from Thy Flesh Consumed.
 * Underhalls from Doom II. The time of run is 20:57.
 * Icon of Sin from Doom II (tool-assisted run).
 * Metal from TNT: Evilution (using void glide).
 * Ballistyx from TNT: Evilution (tool-assisted run).
 * Caughtyard from The Plutonia Experiment.

He also completed Nightmare! runs for TNT: Evilution and Plutonia Experiment.

He also was the first player who used the pain elemental to get broken secrets on the Industrial Zone map from Doom II (during UV max run) and the Bunker map from The Plutonia Experiment (during NM100S run). After this he pulled off the first DOOM II NS Run with getting 100% secrets for all maps.

He also speedruns the modern Doom games. He had the world's first successful Ultra-Nightmare 100% run of Doom 2016; this video on his YouTube channel has more than 2 million views. His 100% Ultra-Nightmare run of Doom Eternal has been viewed more than 1 million times.

Current Compet-n records
The following data was last verified in its entirety on July 17, 2020.

Level runs for the PWADs
Zero-Master holds one map record for Alien Vendetta.