Environment lighting: environmentSpecular.env, Babylon.js Assets contributors.
Source: https://github.com/BabylonJS/Assets/tree/master/core/environments
License: Creative Commons Attribution 4.0 International
https://creativecommons.org/licenses/by/4.0/
File is redistributed unmodified as studio.env.
Character, enemy, city, and construct meshes are original procedural assets in this repository.

Green Lantern character identities and visual reference: DC.
https://www.dc.com/characters/green-lantern
https://www.dc.com/characters/guy-gardner
https://www.dc.com/characters/sinestro
https://www.dc.com/blog/2024-02-12/let-em-try-me-how-john-stewart-transformed-the-green-lantern-mantle
Original fan-made procedural interpretations; no meshes or audio extracted from licensed games.
City, vehicle, bot, footstep, flight, and power sounds are synthesized in the application.