On the surface, it looks like a technical error—a rogue string of numbers that escaped a database. To the uninitiated, it might seem like a software version or a forgotten patch note. But within dedicated speedrunning communities, particularly those centered around indie platformers and early-access titles, this specific build number has taken on an almost mythical status.

If you’re a fan of high-octane platforming, frame-perfect inputs, and communities built around digital fossils, seek out this build. Just remember: once you master the Frame 180 glitch, no other platformer will ever feel fast enough again. Have you played Speedrunners build 18052020? Share your best time on the #Build1805 Discord leaderboards, and be sure to verify your recording includes the on-screen FPS counter—otherwise, your run won’t be accepted.

The answer lies in . Mainstream speedrunning involves memorizing levels and executing precise inputs. Build 18052020 is more like a sport. It presents a sandbox with a single rule: go as fast as possible.