Source code and licenses
This website is based on pixelfx by Patch. The original code and effects are provided under the MIT license, including work adapted from Hugo Duprez’s Sprite Fusion effects and Hollow Crown.
The Patch Pixel font is separately licensed and is not used by this website or included in effect downloads. The homepage gallery interface uses React Bits DomeGallery; its separate component license applies to the website interface, not the downloadable effects. This website is an independent implementation based on the open-source repository.
Using the effects
Preserve the copyright and permission notices when distributing copies or substantial portions of the upstream software. Download the notices below and include them with your game or distribution.
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MIT license
MIT License Copyright (c) 2026 Patch Copyright (c) 2026 Hugo Duprez 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.
Upstream notices
# Notices **Hugo Duprez.** `src/core/sim.js` and the effects that say so at the top of their file adapt Sprite Fusion's open-source pixel art VFX (https://www.spritefusion.com/pixel-art-vfx), Copyright (c) 2026 Hugo Duprez, MIT License. **Hollow Crown.** `src/core/act.js` adapts how Hollow Crown plays its skills (poses on 12 fps steps, hit-stops, the springy straw target), from https://github.com/rehan-remade/hollow-crown, Copyright (c) 2026 rehan-remade, MIT License. **Patch Pixel.** The font in `gallery/fonts` is Patch's own and is not covered by this repository's MIT license. See `gallery/fonts/NOTICE.md`.