King's Quest 4 world record any% speedrun (16:37)

King's Quest IV: The Perils of Rosella, by Roberta Williams along with a talented team of people. Published by Sierra in 1988. This is the current world record Any% speedrun. This run uses a mysterious movement method known only as mashTech™, which allows faster-than-intended movement by rapidly clicking the mouse paired with timed keyboard arrow presses. It exists only in early versions of early games in Sierra's SCI engine: KQ4, PQ2, and LSL2. KQ4 v1.003.006. Played in UrQuan's fast version of ScummVM.