Half-Life in 20:41

Presenting Half-Life 21.Starting back in the summer of 2010, the estimated time for this run was thought to be roughly 27 minutes. However, after almost four

Half-Life 20:41 - Analysis of a Legendary Speedrun (English

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Half-Life 20:41 commentary & explanation stream with quadrazid

Half life of a substance is 20 mnt.The time elapsed between 33

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Half-Life: Source Speedrun In 29:48 [World Record]