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--- JeuIA release attribution supplement ---
Release documentation for cozy-stack
Source: https://github.com/dzyamik/cozy-stack
Pinned revision: 3a7c8a0ad1e69cd9166633fe6ac32f3ce27898d5
The original root MIT applies to the project code; third-party code/media retain their own terms. See retained LICENSE, attribution and dependency notices. No author endorsement or comprehensive ownership certification is claimed.
Gameplay bytes were copied unchanged; deployment headers and these notices were added by JeuIA.

Attribution correction: the introductory/final generalisations in upstream CREDITS.md do not override its detailed CC-BY audio rows. CC-BY attribution is required for those files; their sources, authors and project transformations are retained below. CC BY 4.0: https://creativecommons.org/licenses/by/4.0/ ; CC BY 3.0: https://creativecommons.org/licenses/by/3.0/ . Original project audio was trimmed/re-encoded as its credits describe; no additional transformation made by this release. BigSoundBank file references: 0546 (cow), 2086 (elephant), 0170 (horse snore used for giraffe); provider and original terms: https://bigsoundbank.com/ .
# Credits

Cozy Stack uses the following third-party assets and tools. None of these require attribution under their respective licenses, but they are credited here as good practice. The full asset ledger is in [`docs-dev/05-ASSETS.md`](./docs-dev/05-ASSETS.md).

## Art

- **Round Animals** — collected by *thecubber* on [OpenGameArt](https://opengameart.org/content/round-animals), authored by **lemmling**, **StudioFibonacci**, and **bloodsong** via [openclipart.org](https://openclipart.org/) / [clker.com](http://www.clker.com/). 22 cartoon animal PNGs (~300×300), public domain ([CC0 / Public Domain](https://creativecommons.org/publicdomain/zero/1.0/)). Source for the 11 cozy critter sprites — mouse, squirrel, chicken, goat, penguin, pig, sheep, kangaroo, zebra, bear, elephant.

## Audio

### Music

- **"Cozy Puzzle Stage Select"** by *bart* on [OpenGameArt](https://opengameart.org/content/cozy-puzzle-stage-select). [CC0 / Public Domain](https://creativecommons.org/publicdomain/zero/1.0/). Single shared loop used in menu and gameplay (re-encoded to 96 kbps OGG via the build script).

### Per-animal merge sound effects

These play when two of a given animal merge into the next tier. All sourced via `scripts/fetch-sounds.sh` and trimmed to ≤1.5s mono OGG by `scripts/build-sound-assets.mjs`.

**OpenGameArt — CC0 / Public Domain** (no attribution required, credited as good practice):

- *mouse* — by Subspace Audio ([mouse-imitation](https://opengameart.org/content/mouse-imitation))
- *cat* — kitten mew by Diego Quintero ([kitten-mew](https://opengameart.org/content/kitten-mew))
- *dog* — by Subspace Audio ([dog-barking-mono](https://opengameart.org/content/dog-barking-mono))
- *chicken* — by jalastram ([chicken-sound-effect](https://opengameart.org/content/chicken-sound-effect))
- *penguin* — by Iwan 'qubodup' Gabovitch ([penguin-sfx](https://opengameart.org/content/penguin-sfx))
- *sheep* — by Subspace Audio ([sheep-baa](https://opengameart.org/content/sheep-baa))
- *pig* — by NenadSimic ([pig-sfx-pack](https://opengameart.org/content/pig-sfx-pack))
- *owl* — barn owl by jorickhoofd ([barn-owl-screech](https://opengameart.org/content/barn-owl-screech))
- *monkey* — by Lampkov ([monkey-sounds](https://opengameart.org/content/monkey-sounds))
- *bear* — by jorickhoofd ([bear-growls](https://opengameart.org/content/bear-growls))
- *ghost* — moans by qubodup ([ghost-monster-voice-moaning-growling](https://opengameart.org/content/ghost-monster-voice-moaning-growling))
- *gnu* — yak imitation by Hatti-tatti ([yak-imitation](https://opengameart.org/content/yak-imitation)); chosen as a wildebeest-class grunt
- *beaver* — rabbit eating by FloydPepper ([rabbit-eating](https://opengameart.org/content/rabbit-eating)); chosen as a small-rodent chitter

**OpenGameArt — CC-BY** (attribution required):

- *goat* — bleat by leone ([goat-bleat](https://opengameart.org/content/goat-bleat); CC-BY 4.0)
- *zebra* — whinny by Peet J van Eeden ([zebra-whinny](https://opengameart.org/content/zebra-whinny); CC-BY 3.0)
- *squirrel* — raccoon chatter by jorickhoofd ([raccoon-chatter](https://opengameart.org/content/raccoon-chatter); CC-BY 4.0); chosen as a small-mammal chitter

**BigSoundBank — CC-BY** (free with attribution):

- *cow* — moo from [bigsoundbank.com](https://bigsoundbank.com/) (file 0546)
- *elephant* — trumpet from [bigsoundbank.com](https://bigsoundbank.com/) (file 2086)
- *giraffe* — actually a horse snore from [bigsoundbank.com](https://bigsoundbank.com/) (file 0170; substituted because real giraffes are nearly silent)

**Freesound — CC0 / Public Domain:**

- *kangaroo* — "Hungry Stomach" by IENBA ([sound 851730](https://freesound.org/people/IENBA/sounds/851730/)). Designed growl made with a ronrón; reads as a kangaroo chuff.
- *elk* — "Wildlife Creature Warning Howl" by qubodup ([sound 743078](https://freesound.org/people/qubodup/sounds/743078/)). 50%-slowed public-domain elk bugle.

### Other SFX

- **Procedural drop release / thud / tier-unlock / endgame burst / game-over** — synthesized at runtime via Web Audio API by `src/systems/ProceduralSfx.ts`.

## Code & framework

- **Phaser 4** — by Phaser Studio Inc. ([MIT](https://github.com/phaserjs/phaser/blob/main/LICENSE)). Used as the game engine.
- **Matter.js** — by liabru, bundled with Phaser 4. ([MIT](https://github.com/liabru/matter-js/blob/master/LICENSE)). Used for rigid-body physics simulation.
- **TypeScript** — by Microsoft. ([Apache-2.0](https://github.com/microsoft/TypeScript/blob/main/LICENSE.txt)). Compiler.
- **Vite** — by Evan You and contributors. ([MIT](https://github.com/vitejs/vite/blob/main/LICENSE)). Dev server and build tool.
- **Vitest** — by the Vitest team. ([MIT](https://github.com/vitest-dev/vitest/blob/main/LICENSE)). Test runner for pure-logic unit tests.

## License compatibility

All third-party components are under permissive licenses (MIT, Apache-2.0, or CC0). The composite project ships under [MIT](./LICENSE).

## Adding to this document

When new assets are added to the project, update this file *and* the asset ledger in `docs-dev/05-ASSETS.md`. The two should agree.