2025/12/11 Update Notes

New Air Units

• Air units are now supported across the entire map.

• Added a new air unit: Littel Bird Helicopter (crafted at the Vehicle manufacturing plant; unlocked via its own tech).

• Added a new air-unit building: Airship Factory (unlocked via its own tech).

• Added a new air unit: Zeppelin Airship(crafted at the Airship Factory).

New Challenge Mode: Defend Fangfang Pearl Tower

• This map continuously spawns ranged Snowman Zombies that attack the Square Pearl Tower.

• Fangfang Pearl Tower: consumes electricity and deals powerful, large-area lightning damage.

New Zombie Units

• Balloon Zombie

• Witch Broom Zombie

• Cannon Zombie

These three types appear in Endless Mode: Zombie Survival Diary 6 –The Dangerous Ivory House and Challenge Mode: The Ivory Defense.

Balloon Zombies appear starting on Day 7.

Witch Broom Zombies appear starting on Day 17.

Cannon Zombies spawn in the starting map.

New Level-Up System for the Main Characters:Leveling up grants stronger effects.

• Uncle George: gains increased damage per level.

• Tom: gains reduced attack interval per level.

New Endless Mode: The Dangerous Ivory House

Further performance optimization for Endless Mode