Radiation Hazard
Radiation Hazard aka RadHaz is a youtuber who focuses on Half-Life.
He also creates Half-life inspired music.
And rarely, hosts HL2 mapping competitions called Hazardous Mapping Contests.
Hazardous Mapping Contest #1 - Retail City 17
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Hazardous Mapping Contest #2 - Beta Aesthetic
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Hazardous Mapping Contest #3 - Anomalous Transports
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The files for this mapping competition unlike the others was never rleased. all we have is this video:
Hazardous Mapping Contest #4 - Unexplained Horrors
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