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Life & fun · June 1, 2026

GREY DAY

AI-built open world zombie survival game

What it does

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

Does the same job

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