CREDITS & LICENSES

Abako is free and stays free. Its fonts are libre fonts under the SIL Open Font License 1.1: anyone may use, modify and redistribute them at no cost, as long as their authors are credited and their license comes along. Here they are.

FONTS

Abako Bloc: titles and key labels.

© 2026 Abako. Drawn for Abako, pixel by pixel, on the grid of the logo: no design taken from another font. No reserved name: anyone may modify and redistribute it without renaming it.

SIL OFL 1.1 · license text · the font

Abako Pixel: short pixel words.

Modified version of Press Start 2P, © 2012 The Press Start 2P Project Authors (Cody "CodeMan38" Boisclair). Change: accented capitals (É, È, À…) redrawn at full height, with the accent above. "Press Start 2P" is a name reserved by its author, so the modified version carries another name.

SIL OFL 1.1 · license text · original font

DSEG7 Classic Bold: 7-segment digits (problems, scores, timers).

© keshikan, Reserved Font Name "DSEG". Used unmodified.

SIL OFL 1.1 · license text · source

Fredoka: body text.

© 2016 The Fredoka Project Authors (Milena Brandão, Ben Nathan). Used unmodified.

SIL OFL 1.1 · license text · source

FLAGS

Country flags: leaderboards, profile, stars by country, duels.

Pixelized by Abako (two sizes, the game's palette, emblems redrawn by hand) from flag-icons, © 2013 Panayiotis Lipiridis.

MIT License · license text · source

SOUNDS, MUSIC, IMAGES

Made for Abako: in-house synthesized sound effects, generated voice and music, characters and scenery drawn for the game. Apart from the flags above, none comes from a third-party sound or image library.

OPEN SOURCE SOFTWARE

Abako is built with React Native, Expo, Supabase and other open source libraries (MIT, Apache 2.0, BSD, ISC licenses). Thanks to their authors.

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