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Grey Day: Journey

Idle Zombie Journey in Seoul
HOKWANG LEE · Games
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App info

Developer
HOKWANG LEE
Category
Games, Adventure, Roleplaying
Released
Oct 21, 2026
Version
1.0.3 (Oct 23, 2026)
Price
Free
Size
169.1 MB
Requires
iOS 17.0
Age rating
13+
Languages
English, French, German, Italian, Japanese, Korean, Portuguese, Russian, Simplified Chinese, Spanish, Thai, Traditional Chinese, Vietnamese

In-app purchases

Traveler Bundle$14.99
Legendary Cache$0.49
Survivor Crate$6.99
666,700 Gold$69.99
Expedition Supply$3.99
316,700 Gold$39.99
56,700 Gold$6.99
126,700 Gold$14.99
26,700 Gold$3.99
5,000 Gold$0.49
Current prices, App Store US.
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About Grey Day: Journey

A honeymoon in Seoul. A zombie outbreak. A journey that never ends. GREY DAY: JOURNEY is an idle voxel survival adventure. Kate and Ryan walk across a fallen Seoul one landmark at a time — walking and fighting happen on their own. You choose their gear, their upgrades and when to make camp. [17 SEOUL LANDMARKS] Gwanghwamun, Gyeongbokgung, Myeongdong, Namsan Tower, the Han River, Gangnam, Lotte World Tower, Bukhansan and more — each built by hand in 5cm voxels. Past Bukhansan the road loops back, tougher every lap. [FULLY AUTOMATIC] No controls to learn. The couple walk, fight and talk on their own at a relaxed pace. Leave it running and watch the city go by. [LOOT, SETS AND UPGRADES] Zombies drop weapons, shields and armor in five grades with randomly rolled stats and affixes. Collect matching set pieces for set bonuses, and repair and upgrade your gear at camp. [CAMPING AND FATIGUE]…
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