Like any form of competition, speedrunning generates arguments over authenticity. Does a speedrun count if it relies on a bunny-hopping mod, in-game glitches and different runners tackling different parts of the game in short segments? I’m not sure I care either way. No matter the methods, Half-Life 1 being completed in 20 minutes and 41 seconds is an accomplishment of endurance, skill and effort. More importantly it’s a beautifully entertaining video, full of ingenuity and grace and physical comedy. The new record time is embedded below. You must watch it.