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Built entirely with GPT-6 Astra, this tactical football card game draws on classic board games. Pick your XI and deck, then move players across nine zones, including both goalkeeper zones. Pass, dribble and shoot to score; tackle and clear to defend. The browser demo includes tutorials, a card gallery, rules and a normal-difficulty AI match. A Unity version is planned for more platforms, with more AI levels, LAN play, online matchmaking and more modes to come.
Hi Product Hunt! I'm Erdon. I made Nine Lines Football, a tactical football card game, entirely with GPT-6 Astra.
You pick your starting eleven and build a deck around your squad. On the pitch, you move players into space, pass to a teammate and look for a chance to shoot. The pitch has nine lines, so a player's position matters as much as the cards in your hand.
You also get decisions during your opponent's turn. A tackle can stop their attack. A dribble can get your ball carrier out of trouble. I want that back-and-forth to give you a reason to watch every move.
Astra was part of the whole development process, including debugging and repeated iterations on the rules and interface. I'm sharing the game here for the GPT-6 Astra Challenge.
What you can play now is a browser demo with only part of the planned content. It has a computer opponent, a built-in tutorial and both English and Chinese. I'm working on a fuller Unity version for other gaming platforms, also entirely with Astra. I haven't announced the platforms or release date yet.
I'd like to hear how your first match goes, especially if a rule is confusing or a play makes you want another game.
Thank you for playing my game. I hope you enjoy it.
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About Nine Lines Football on Product Hunt
“Football tactics, played one card at a time”
Nine Lines Football was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #114 on the daily leaderboard. Built entirely with GPT-6 Astra, this tactical football card game draws on classic board games. Pick your XI and deck, then move players across nine zones, including both goalkeeper zones. Pass, dribble and shoot to score; tackle and clear to defend. The browser demo includes tutorials, a card gallery, rules and a normal-difficulty AI match. A Unity version is planned for more platforms, with more AI levels, LAN play, online matchmaking and more modes to come.
Nine Lines Football was featured in Games (98.9k followers) and OpenAI Day (39 followers) on Product Hunt. Together, these topics include over 29.5k products, making this a competitive space to launch in.
Who hunted Nine Lines Football?
Nine Lines Football was hunted by Erdon Chen. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
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Erdon Chen