A fully lua-simulated rollercoaster addon for Garry’s Mod 13. Everything seen in the video was recorded in game without any editing (besides cutting up the clips and music).
Available on the workshop for Garry’s Mod. For more recent versions (or if you want to contribute to it), go to the github page here:
Facepunch thread:
Get Garry’s Mod 13 here:
The music after the intro is Pre-Hib