Steam News11 December 20256mo ago

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).

In this update6

Full notes

Full 长夜之后 After Long Night update

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What changed

0 fixes3 additions7 changes0 removals

Maps
Gameplay
Balance
Events

changedNew Air UnitsAir units are now supported across the entire map.

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

addedNew Air UnitsAdded a new air-unit building: Airship Factory (unlocked via its own tech).

addedNew Air UnitsAdded a new air unit: Zeppelin Airship(crafted at the Airship Factory).

changedNew Challenge Mode: Defend Fangfang Pearl TowerThis map continuously spawns ranged Snowman Zombies that attack the Square Pearl Tower.

changedNew Challenge Mode: Defend Fangfang Pearl TowerFangfang Pearl Tower: consumes electricity and deals powerful, large-area lightning damage.

长夜之后 After Long Night changes

changedAir units are now supported across the entire map.

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

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

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

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

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 Georgegains increased damage per level.
Tomgains reduced attack interval per level.

New Endless Mode: The Dangerous Ivory House

Further performance optimization for Endless Mode

Source

Steam News / 11 December 2025

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