Marcel Vos

Vos' first video was uploaded in March 2018, showcasing a speedrun of Amity Airfield, a scenario from RollerCoaster Tycoon 2, completing it in just under five minutes.^[3] In July, Vos released a video demonstrating a calculator created using roller coasters within RollerCoaster Tycoon 2.^[4][5] In December 2018, Vos demonstrated a ride which would take 12 real-life years to complete.^[6] In July 2019, he released a video demonstrating a ride that would take 45 real-life years to complete.^[7] In December 2019, Vos demonstrated a roller coaster that would take 135 years to complete.^[8]

In July 2020, Vos demonstrated a maze that exploits the path-finding algorithm in RollerCoaster Tycoon 2 and is nearly impossible for in-game guests to complete. After Vos released his video on YouTube, the developers of OpenRCT2 changed the algorithm.^[9]