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Installing a track

Download the zip from your order page (or the link in the "your road is ready" email).
Unzip it into the tracks folder of RoadTwin Simulator (in a development checkout this is the out folder next to the game). The zip holds one folder named after your road; keep that folder as it is.
Start RoadTwin Simulator. Your road appears in the start menu with its length and country. Pick it, pick a car, drive.

What's in the folder

track.glb: what you see (road, terrain, buildings)
physics.bin: what the car drives on
vegetation.bin, groundcover.bin: trees and grass
centerline.npz, signs.json: the road's centre line, start, finish and junction controls
manifest.json: name, length and the open-data sources and licences used

Assetto Corsa and BeamNG.drive Beta

Your order page (and every free road) also has the same road packed for other sims. Each zip is ready to install as it is: don't rename anything inside it.

Beta: these zips are new. If one doesn't load, write to us and we'll fix it and send you a new one. support@roadtwins.com

Assetto Corsa. Drag the zip onto Content Manager and click Install (or unzip it into your assettocorsa folder). The road is then under Drive → Track. Without Content Manager, unzip it into the game's folder (the one with acs.exe): it adds content/tracks/roadtwin_…. The road has a forward and a reverse layout.
BeamNG.drive. Put the zip, still zipped, in the mods folder of your BeamNG.drive user folder. The road is then a level in Freeroam. The zip holds levels/roadtwin_….
Automobilista 2: coming soon.

Assetto Corsa and BeamNG.drive are trademarks of their owners. RoadTwin isn't affiliated with or endorsed by them.