But no major speedgame saw a “build” specifically labeled that way publicly. Unless…
The 18052020 build was the engine that powered this new population. It was not merely a maintenance patch; it was a consolidation of years of physics tweaking. Prior to this era, the game’s physics engine had undergone radical shifts—from floaty movement to stiff responsiveness, and back again. This build solidified the "Modern Physics" standard. It offered a middle ground: it retained the "grapple momentum" highly valued by veterans while making the movement accessible enough for the influx of new players to feel competent within their first few hours. speedrunners build 18052020
on May 18, 2020. This build was part of a larger trend in 2020 where the game saw a resurgence in competitive play, despite many players feeling the developers had largely moved on from major content additions. The Significance of the 18052020 Build During this period in May 2020, SpeedRunners But no major speedgame saw a “build” specifically
The community is also known for its charity events, such as Games Done Quick, which raise millions of dollars for various charities. These events bring together top speedrunners to showcase their skills while supporting a good cause. Prior to this era, the game’s physics engine
Some believe 18052020 was a stealth patch for Half-Life 2 that accidentally reintroduced the “superboost” glitch. Valve allegedly reverted it within 48 hours, but not before runners captured records using it. The only remaining evidence? A single Reddit comment saying, “thank you build 18052020” — now deleted.
, a runner from 20 years ago when the city was just called "Rush City," views the modern runners as "hotshot wise-guys" who have ruined the sport with items and gadgets. He represents an elitist, "pure" era of running.
The build’s geometry engine was intentionally flawed. Due to a rounding error in the collision detection (attributed to the build’s hasty 48-hour development period), players who move faster than 800 units per second can actually phase through thin walls. This turned any level into a non-linear web of potential "out-of-bounds" skips.