# GREY DAY — Open World Zombie Survival

> Open World Zombie Survival (iPhone/iPad app by HOKWANG LEE.)

- Source: https://appshunter.io/ios/app/grey-day/id6770797698 (this page in markdown: same URL + `.md`)
- Developer: [HOKWANG LEE](https://appshunter.io/developer/1896763756)
- Category: Games, Action, Role Playing
- Price: Free with in-app purchases
- Age rating: 12+
- Requires: iOS 17.0 · 200 MB
- Languages: American English, French (France), German (Germany), Italian, Japanese, Korean, European Portuguese, Russian, Chinese (Simplified, China), European Spanish and 3 more
- Released: 2026-05-31
- Data updated: 2026-08-19
- User reviews in markdown: https://appshunter.io/ios/app/grey-day/id6770797698/reviews.md

## What is GREY DAY?

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

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| 7,000 Coins | $49.99 | one-time |
| 100 Coins | $0.99 | one-time |
| 550 Coins | $4.99 | one-time |
| 1,200 Coins | $9.99 | one-time |
| 2,600 Coins | $19.99 | one-time |
| 15,000 Coins | $99.99 | one-time |



## Version history (last 4 releases)

### 1.0.3 — 2026-08-11

▶ More Satisfying Zombie Kills
Zombies now go flying on impact — heads, arms, and legs burst apart dramatically when they hit the ground or other zombies.

▶ Bowling Chain Reaction
Hitting a living zombie with the bowling weapon now sends it flying too, triggering a chain reaction.

▶ Stability Improvements
Fixed revival and death-screen bugs for a smoother experience.

### 1.0.2 — 2026-06-05

• Zombies now pass through shop structures instead of getting stuck
• HP items now expire after 10 seconds (blink warning at 3 sec)
• New lightning voxel effect on boss stun
• Improved 5-stage kill streak system
• Smooth HP bar recovery animation
• Fixed HP items being picked up incorrectly

### 1.0.1 — 2026-06-03

19 new kill achievements (10,000–100,000)
Performance optimizations and bug fixes

### 1.0 — 2026-05-31

No release notes.

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-19.*