Zombie Invasion
The Zombie Invasion mini-events involve Zombie Mice dropping the Undead Emmental Potion in the Catacombs and Mousoleum and the Undead String Emmental Potion in the Burroughs Rift.
Cheese Usage
Hunters should arm the preferred cheese of the various Zombie Mice so they can acquire the potions necessary to create Undead Emmental and Undead String Emmental cheeses.
Catacombs
Hunting with Radioactive Blue Cheese or Moon Cheese will attract these mice, which may carry the Undead Emmental Potion as loot:
Hunting with Undead Emmental cheese will reduce the mouse population encountered, and is required to attract these mice:
Mousoleum
Hunting with Radioactive Blue Cheese or Moon Cheese will attract these mice, which may carry the Undead Emmental Potion as loot:
Hunting with Undead Emmental cheese will reduce the mouse population encountered, and is required to attract these mice:
Burroughs Rift
Hunting with String Cheese while the mist is in the Yellow or Green Zone will attract these mice, which may carry the Undead String Emmental Potion as loot:
Hunting with Undead String Emmental cheese will change the mouse population encountered (increased in the Yellow Zone, decreased in the Green Zone), and is required to attract these mice:
Charm Usage
Brain Charms and Super Brain Charms will increase the encounter rate of Zombie Mice.
Brain Bits
Brain Bits can be used to craft Brain Charms and Super Brain Charms
The Zombie Mice will drop Brain Bits when caught with any of the following Limited Edition trap components armed:
- Traps
- Bases
Combining either trap with the base will increase the number of Brain Bits dropped by the Zombie Mice.
Emmental Potions
Catacombs and Mousoleum
These mice will drop the Undead Emmental Potion during a Zombie Invasion.
Burroughs Rift
These mice will drop the Undead String Emmental Potion during a Zombie Invasion.
Zombie Mice
Catacombs and Mousoleum
Burroughs Rift
Event History
- 27 - 30 May 2011: Zombie Invasion occurred for the first time. Undead Emmental Potion was introduced. Zombot Unipire Mouse was released.
- 8 - 13 July 2011: Zombie Invasion occurred again. Grave Robber was released.
- 14 - 15 September 2013: Lucky Zombie Invasion Weekend occurred as a combined event of Zombie Invasion and Bonus Luck Event.
- 13 - 20 January 2015: Zombie Invasion occurred again.
- 14 - 18 August 2015: Zombie Invasion occurred again.
- 17 May 2017: Zombie Invasion occurred again. Undead String Emmental Potion was introduced. Tomb Exhumer Mouse was released.
- 5 - 19 June 2018: Zombie Invasion occurred as part of Mini-Event Madness.
