Knowitball's football games use free data, models, voices and fonts made by other people. Each one is free to use with credit. Thank you to all of them.
Averages and counts only: no real match is replayed.
Match event patterns derived from the Wyscout public dataset (Pappalardo et al., Scientific Data 2019), CC BY 4.0. Changes made.
Wyscout public dataset · CC BY 4.0
Tracking patterns derived from data of the Deutsche Fußball Liga (DFL), published by Bassek et al., Scientific Data 2025, CC BY 4.0. Changes made.
Deutsche Fußball Liga (DFL) / IDSSE · CC BY 4.0
Tracking and phase-of-play patterns derived from SkillCorner Open Data (MIT licence, © 2020 SkillCorner).
SkillCorner Open Data · MIT
Tracking patterns derived from SoccerTrack v2 (Scott et al., arXiv 2025), CC BY 4.0. Changes made.
SoccerTrack v2 · CC BY 4.0 · University-level matches: kept on file, not used for team shapes (Harry, 21 Oct 2026: pro data only).
What each position does on the ball, as averages.
Player roles from the Wyscout public dataset's PlayeRank file (Pappalardo et al., Scientific Data 2019; Pappalardo et al., ACM TIST 2019), CC BY 4.0. Changes made.
Wyscout public dataset (PlayeRank) · CC BY 4.0
Single real shots and corners, with where everyone stood.
Real shots and goals from the Wyscout public dataset (Pappalardo et al., Scientific Data 2019), CC BY 4.0. Changes made.
Wyscout public dataset · CC BY 4.0
Real player positions from data of the Deutsche Fußball Liga (DFL), published by Bassek et al., Scientific Data 2025, CC BY 4.0. Changes made.
Deutsche Fußball Liga (DFL) / IDSSE · CC BY 4.0
Real player positions from SkillCorner Open Data (MIT licence, © 2020 SkillCorner).
SkillCorner Open Data · MIT
Real player positions from SoccerTrack v2 (Scott et al., arXiv 2025), CC BY 4.0. Changes made.
SoccerTrack v2 · CC BY 4.0
Kit colours and award records.
National team kit colours read from each team's Wikipedia kit box (Wikipedia / Wikimedia Commons, CC BY-SA 4.0). Colours and patterns only; no picture is shipped.
Wikipedia / Wikimedia Commons · CC BY-SA 4.0
Ballon d'Or winners and rankings, 1956–2025: facts collected from ballondor.com.
ballondor.com · facts only · Kept for a future game mode; not used in a match.
Free packs; most ask for no credit, credited anyway.
Garden and home props from Kenney's Nature, Furniture, Fantasy Town 2 and Survival kits (kenney.nl), CC0 1.0.
Kenney · CC0 1.0
Models and animations by @Quaternius (quaternius.com): Universal Base Characters, Universal Animation Library and the farm and animal packs, CC0 1.0.
Quaternius · CC0 1.0
Human body, clothes and hair from MakeHuman (MPFB2 and the MakeHuman system assets), CC0 1.0.
MakeHuman · CC0 1.0
The data used in this project was obtained from mocap.cs.cmu.edu. The database was created with funding from NSF EIA-0196217.
CMU Graphics Lab Motion Capture Database · free for all uses
Skies, light and fabric textures from Poly Haven (polyhaven.com), CC0 1.0.
Poly Haven · CC0 1.0
Grass texture Grass004 from ambientCG (ambientcg.com), CC0 1.0.
ambientCG · CC0 1.0
Commentary voices made on our own machine.
Goal commentary voices made offline with Kokoro (github.com/hexgrad/kokoro, Apache 2.0) and kokoro-onnx (MIT).
Kokoro · Apache 2.0 / MIT
Oswald, © 2016 The Oswald Project Authors, SIL Open Font License 1.1.
The Oswald Project Authors · SIL OFL 1.1
Luckiest Guy by Astigmatic, Apache License 2.0.
Astigmatic · Apache 2.0
Cinzel by Natanael Gama, SIL Open Font License 1.1.
Natanael Gama · SIL OFL 1.1
CC BY 4.0: creativecommons.org/licenses/by/4.0. Changes made means the data was reduced to averages and counts, or moved onto our own pitch. No single real match is replayed. Every licence text ships with the files it covers.
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