Roadmap audio — hosted locally, never hotlinked

Music: “Vaporware” by The Cynic Project (cynicmusic.com / pixelsphere.org).
Source: https://opengameart.org/content/calm-piano-1-vaporware
Downloaded file: https://opengameart.org/sites/default/files/003_Vaporware_2.mp3
License: CC0 1.0, verified on the source page on 2026-10-23.
License text: https://creativecommons.org/publicdomain/zero/1.0/legalcode
The original MP3 is unedited. Playback repeats; no seamless-loop claim is made.

Effects: Kenney, Impact Sounds (2019), CC0 1.0.
Source: https://kenney.nl/assets/impact-sounds
Included: footstep_grass_000–004.ogg and impactWood_light_000–004.ogg.
Original bundled license is included as Kenney-License.txt.

Sound starts off. Enable it intentionally with the Sound button.