Credits & licences

Back Nine was made by Kiko's Studio with help from these people and tools. Thank you!

Art

CraftPix.net: cartoon sky backgrounds behind the table, used under a CraftPix premium licence for commercial games. The card designs, icons, TV table, Chip and Kiko were made for Back Nine.

Music

Donát Baracsi: "Sunshine", "Wishes", "Lucid Dream", "Lifetime", "Forward", "Reflection" and "Hope Eternal", from his Lo-Fi Music Collection (purchased, royalty-free).

Chip's voice

Chip is an original character. His voice was generated with Qwen3-TTS, open model by the Qwen team (Alibaba Cloud), Apache License 2.0, from a written description of a made-up character. It is not a copy of any real person's voice. Sound effects were made for the game.

Fonts

Fredoka, Nunito, Cinzel and Playfair Display (SIL Open Font License 1.1) and Special Elite (Apache License 2.0), via Google Fonts / Fontsource.

Code

QR Code Generator for JavaScript © Kazuhiko Arase (MIT License). "QR Code" is a registered trademark of DENSO WAVE INCORPORATED.

MQTT.js (MIT License), used only by the early test version.

The game

Back Nine is based on Golf, a traditional card game played for generations. Back Nine has its own cards, special cards, look and characters, and isn't affiliated with any other card game or company.