StarWars Speeder Bike [free download], by Idmenthal. Original model, licensed under CC BY 4.0. Scale, orientation and materials adapted for the game; rider added separately.
Scout Trooper - Star Wars, published by Leonardo Benavides, licensed under CC BY 4.0. The publisher states that the base model is not their own. Adapted to a riding pose, converted from Collada and configured with its five textures.
Trees, ferns, rocks, stumps, logs and textures from Poly Haven, CC0. Trees simplified for real-time rendering. Sources and modifications.
Engine and loaders: Three.js r137, MIT license.