GREY DAY

Contains adsIn-app purchases
Content rating
Teen
1+
Downloads
Content rating
Teen
Violence, Blood
Learn more
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About this game

Built with AI.

Open World Zombie Survival in a fictional city.
Survive the apocalypse with other players in real-time multiplayer.

▶ Vast Open World
Explore a vast voxel city overrun by zombies.

▶ Real-time Global Multiplayer
4 regions worldwide (Korea, Americas, Europe, Southeast Asia). Meet survivors from across the world.

▶ Vehicle System
Drive 5 vehicle types — sedan, truck, bus, sports car, pickup. Mow down zombie hordes.

▶ Weapon + Character Upgrades
Buy and enhance weapons with level-by-level damage scaling.

▶ Boss Zombie Tiers
Progressively unlocked bosses (T2 to T20). Cooperation essential.

▶ Ad-Reward System
Revive, 2× damage boost, enhance protection — all free via ads.

▶ 13 Languages Supported


Official: https://we.zday.space
Support: support@zday.space
Updated on
May 26, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
This app may share these data types with third parties
Location and Device or other IDs
This app may collect these data types
Location, Personal info and 3 others
Data is encrypted in transit
You can request that data be deleted
Content rating
Teen
Violence, Blood
Learn more

App support

About the developer
카이소프트
leehokwang@gmail.com
대한민국 17028 경기도 용인시 처인구 포곡읍 포곡로326번길 30-27(루미에르타운하우스)
+82 10-7257-4657