Credits and licence notices

Third-party software and resources used in Arkhelm Online, with the copyright notices their licences require

Third-party software and resources (Third-party notices)

This file keeps the copyright notices that licences require us to ship with the game. Do not remove. Add a new section whenever third-party material is brought in.

pixelfx (skill visual effects)

Source: https://github.com/patch-gg/pixelfx (commit a84159688af3, 2026-10-31)
Used in the game: effect sheets exported from pixelfx assets/raw/pixelfx/*, assets/game/pfx_*.webp, assets/game/full/pfx_*.webp (currently: lightning/lightning-strike) via tools/pixelfx.mjs
Not used: the Patch Pixel font (gallery/fonts) which is © Patch, "All rights reserved", not under MIT

``` MIT License

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. ```

Parts of pixelfx adapted from other MIT works (per pixelfx's NOTICE.md):

Sprite Fusion pixel art VFX — https://www.spritefusion.com/pixel-art-vfx — Copyright (c) 2026 Hugo Duprez, MIT License (src/core/sim.js and effects named in their file headers)
Hollow Crown — https://github.com/rehan-remade/hollow-crown — Copyright (c) 2026 rehan-remade, MIT License (src/core/act.js)

Quaternius — Medieval Village MegaKit (3D houses and town props)

Source: https://quaternius.com/packs/medievalvillagemegakit.html (free version, downloaded Medieval Village MegaKit[Standard].zip from the official page https://quaternius.itch.io/medieval-village-megakit on 2026-11-01); originals are kept outside the repo at C:\ro-game-tools\kits\quaternius_medieval_village\
Licence: CC0 1.0 Universal (Public Domain Dedication) per the file License_Standard.txt in the pack — credit is not required, included as thanks
Used in the game: selected pieces converted with tools/kit-qm.mjs → assets/game/kit_qm/kit.json, kit.bin, *.png (textures reduced to a pixel pattern + tone adjusted) to assemble houses in client/src/three/kitQm.ts
Models by Quaternius (https://quaternius.com · https://www.patreon.com/quaternius)

RPG Voice Pack 2.0 (character voices)

Source: https://n0ssyndrome.itch.io/rpg-voice-pack (file RPG_Voice_Pack_2.0.zip, downloaded 2026-11-01 with the owner's permission)
Creator: N0sSyndrome (the owner asks to be credited by this name) · Licence: CC BY 4.0 https://creativecommons.org/licenses/by/4.0/
Used in the game: 19 files (8 attack shouts / 8 hurt cries / 3 falls), raw files assets/raw/voice/n0ssyndrome/ → level adjusted, leading silence trimmed, converted to mono ogg/m4a (tools/import-voice.mjs) → assets/game/audio/voice/ (modifications: volume adjusted, silence trimmed, file format changed)
In-game credits: the Credits window (client/src/ui/creditsPanel.ts)

Inter (Latin typeface)

Used in the game: assets/game/fonts/inter-latin-var.woff2 (Latin character range only, loaded in client/src/i18n.ts) · the full licence text ships with the game at assets/game/fonts/Inter-OFL.txt (viewable at /fonts/Inter-OFL.txt and linked from the Credits page) · the font is not sold separately and not renamed

GeneralUser GS (instrument sounds used to arrange some tracks)

Source: https://schristiancollins.com/generaluser.php · Creator S. Christian Collins · GeneralUser GS v2.0.3 License v2.0 (copy assets/requests/audio_licenses/GeneralUser_GS_LICENSE.txt)
The licence allows unlimited personal and commercial music production and does not require credit (listed on the Credits page as thanks) · the SoundFont file is not distributed with the game, only the rendered tracks (bgm_garden_town, bgm_desert_town, bgm_moonlit_sanctum etc. See docs/AUDIO.md)

Kenney (CC0 sound effects)

Source: https://kenney.nl · packs Impact Sounds, Sci-fi Sounds, RPG Audio, Digital Audio · Licence CC0 1.0 (every pack's License.txt checked; copies in assets/requests/audio_licenses/) credit not required · per-file list in assets/AUDIO_SOURCES.md