OpenGameArt audio provenance, verified 2026-09-21

Ambient Bird Sounds
Author: isaiah658
Source: https://opengameart.org/content/ambient-bird-sounds
Download: https://opengameart.org/sites/default/files/birds-isaiah658_0.ogg
License displayed by author: Creative Commons Zero (CC0 1.0).
Imported as assets/third_party/opengameart/birds-isaiah658.ogg.
File unchanged, filename normalized. B05 plays the excerpt starting at 2.0s
for 1.44 seconds of active gameplay. Credit is not required; author credited here.

40 CC0 water / splash / slime SFX
Author: rubberduck
Source: https://opengameart.org/content/40-cc0-water-splash-slime-sfx
Download: https://opengameart.org/sites/default/files/water-splash-slime-sfx.zip
License displayed by author: Creative Commons Zero (CC0 1.0).
Only loop_water_01.ogg extracted unchanged to assets/third_party/opengameart/.
B06 plays the first 3 seconds, then stops. Other archive files are not imported.

Full legal text saved as CC0-1.0.txt from the official source:
https://creativecommons.org/publicdomain/zero/1.0/legalcode.txt
Human-readable license: https://creativecommons.org/publicdomain/zero/1.0/

Original downloaded files and ZIP are retained under ignored .tools/j04_archives.
SHA-256 for every imported source file is recorded in ../ASSET_SHA256.csv.
