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GREY DAY is a mobile open world zombie survival game built entirely with AI tools by a solo developer. Survive, loot, and fight zombies in a shared world with real players. Real multiplayer — no bots. • Open world with real players • Block-styled graphics • Unlockable character skins • Optional rewarded ads for revival & boosts • Free to play on iOS & Android 📱 iOS: https://apps.apple.com/us/app/grey-day/id6770797698 🤖 Android: https://play.google.com/store/apps/details?id=space.zday.app
Hey Product Hunt! 👋
I'm the solo developer behind GREY DAY. I built this entire mobile game using AI tools — from the game engine to the server infrastructure.
GREY DAY is a free open world zombie survival game with real multiplayer. You'll run into real players while scavenging, not bots.
Would love to hear your feedback, and happy to answer any questions about the development process or tech stack!
📱 iOS: https://apps.apple.com/us/app/gr...
🤖 Android: https://play.google.com/store/ap...
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About GREY DAY on Product Hunt
“AI-built open world zombie survival game”
GREY DAY was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #48 on the daily leaderboard. GREY DAY is a mobile open world zombie survival game built entirely with AI tools by a solo developer. Survive, loot, and fight zombies in a shared world with real players. Real multiplayer — no bots. • Open world with real players • Block-styled graphics • Unlockable character skins • Optional rewarded ads for revival & boosts • Free to play on iOS & Android 📱 iOS: https://apps.apple.com/us/app/grey-day/id6770797698 🤖 Android: https://play.google.com/store/apps/details?id=space.zday.app
GREY DAY was featured in Android (57.2k followers) and Games (98.6k followers) on Product Hunt. Together, these topics include over 66k products, making this a competitive space to launch in.
Who hunted GREY DAY?
GREY DAY was hunted by leehokwang. 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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