Concept plants, 3D modeling from scratch with PBR texture maps plus LODs versions by 13Particles.
It was a great experience to work in a game like this.
Space Dream is a Music Visualization experience available for Desktop and Virtual Reality.
The Free Demo is available for download on Desktop, HTC Vive, and Oculus Rift.
Follow the link for more details: https://www.spacedreamvr.com