Credits
Credits and licences
Game Foundry games stand on open-source code and freely licensed art and sound. This page credits the third-party material we know is included in the games served on the Portal and Slices, and reproduces the licence notices that require it.
Code and engines
| Component | Licence | Where it is used |
|---|---|---|
| three.js, © 2010-2026 three.js authors | MIT | The 3D games, including Hungry Hole, Blade Spin, Grant Theft Aeroplane 7, Canyon Wing, Emberline, Epoch, Foundry Duel, Sizzle Shot, Veilrunner, Zigzag Roller, Junction Flow, Astra Relay, Cogfall Company and Apex Echo. |
| postprocessing 6.39.4, © 2015-2026 Raoul van Rüschen | Zlib | Cogfall Company (bundled in its build). |
| three-mesh-bvh 0.9.13 | MIT | Cogfall Company (bundled in its build). |
| n8ao 1.10.3 | ISC | Cogfall Company (bundled in its build). |
| Godot Engine, © 2014-present Godot Engine contributors, © 2007-2014 Juan Linietsky, Ariel Manzur | MIT | The Godot web build of Sky Stack. |
| Starfall by e01.ai (github.com/e01-ai/starfall) | MIT | Astra Relay is a modified version of Starfall. |
| SpeedRacer by Rahil Bhansali (github.com/rahil-algobear/SpeedRacer) | MIT | Apex Echo is a modified version of SpeedRacer. |
| GameBlocks, © 2026 Weihao Cheng | MIT | Game modules (motion, camera, gameplay, maths, interface, world) in Grant Theft Aeroplane 7 and Canyon Wing. |
| thaikit, © 2026 thaikit contributors | MIT | Street-scene props in Grant Theft Aeroplane 7. |
| Water optics and spectrum code, from natural-disasters (© 2026 Davi, Token-Gremlin) and threejs-awesome-graphics-skills (© 2026 Scott Sun) | MIT | Water rendering in Grant Theft Aeroplane 7. |
Art, models, fonts and audio
| Asset | Creator | Licence | Where it is used |
|---|---|---|---|
| Car Kit 3.1, City Kit Commercial 2.1, City Kit Suburban 2.0, Nature Kit 2.1 (3D models) | Kenney, www.kenney.nl | CC0 1.0 | Hungry Hole, Grant Theft Aeroplane 7 |
| Impact Sounds 1.0, Interface Sounds, Sci-Fi Sounds (audio) | Kenney, www.kenney.nl | CC0 1.0 | Blade Spin, Astra Relay |
| Kenney Future font and Kenney models | Kenney, www.kenney.nl | CC0 1.0 | Neon Rush Overtime |
| Bark012 and TreeEnd003 textures | ambientCG, ambientcg.com | CC0 1.0 | Blade Spin |
| “Town Theme RPG” | cynicmusic, OpenGameArt | CC0 1.0 | Hungry Hole |
| “Specular City” (excerpt) | Vitalezzz, OpenGameArt | CC0 1.0 | Hungry Hole |
| “Last One Standing” | Centurion_of_war, OpenGameArt | CC0 1.0 | Hungry Hole |
| Interface sound effects, “arcade” pack (uisfx v0.4.0) | uisfx.com, github.com/romainsimon/uisfx | CC0 1.0 | Hungry Hole |
| Music: “Claimed by the Void” (vitalezzz), “Deep Space Array” (Tozan), “Exploration Theme” (CleytonKauffman), “Galactic Temple” and “Spacelife No. 14” (yd), “Stellar Dreams” (Synth-thetic) | Via OpenGameArt | CC0 1.0 | Astra Relay |
CC0 1.0 Universal (creativecommons.org/publicdomain/zero/1.0) dedicates a work to the public domain and requires no attribution. Kenney asks that people credit “Kenney or www.kenney.nl”, which is not mandatory; we are glad to. Thank you to every creator named here.
Licence texts
The MIT licence requires its notice to accompany copies of the software. The notices are reproduced below.
three.js
Used as listed above.
The MIT License Copyright © 2010-2026 three.js authors 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.
Godot Engine
Used as listed above.
Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. 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.
Starfall
Copyright (c) 2026 e01.ai. Astra Relay is based on the complete Starfall source, modified by Game Foundry AI. Starfall states that it is an independent Homeworld homage that uses none of Homeworld’s art, audio, code or trademarks.
MIT License Copyright (c) 2026 e01.ai 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.
SpeedRacer
Apex Echo is based on SpeedRacer, modified by Game Foundry AI.
MIT License Copyright (c) 2026 Rahil Bhansali 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.
GameBlocks
Used as listed above.
MIT License Copyright (c) 2026 Weihao Cheng 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.
thaikit
Used as listed above.
MIT License Copyright (c) 2026 thaikit contributors 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.
natural-disasters (water)
Used as listed above.
MIT License Copyright (c) 2026 Davi (Token-Gremlin) 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.
threejs-awesome-graphics-skills (water)
Used as listed above.
MIT License Copyright (c) 2026 Scott Sun 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.
Something missing?
If you made something in one of our games and are not credited here, or a licence is described wrongly, tell us at privacy@gamefoundry.ai and we will fix it.