Earn Biomass
Tap the zombie, run your facilities, and collect the fuel your growing outbreak needs.
A DARKLY FUNNY IDLE EMPIRE
Turn one infected rat into an unstoppable undead operation. Tap for Biomass, automate your facilities, mutate the strain, and make every new outbreak stronger than the last.
See how the outbreak works →THE OUTBREAK LOOP
Every tap starts momentum. Every purchase compounds it. Every mutation turns temporary progress into permanent power.
Tap the zombie, run your facilities, and collect the fuel your growing outbreak needs.
Hire undead owners to keep facilities producing while you play and while you are away.
Reset the current run, harvest permanent Mutant DNA, and rebuild faster with every return.
START SMALL
Your first owner is awkward, underfunded, and ready to work. Give the horde a facility and watch the machine begin.
FINISH UNSTOPPABLE
Build influence, unlock increasingly powerful owners, and rise from a forgotten infestation to the ultimate tycoon.
YOUR EMPIRE AWAITS
Expand through a world of carefully illustrated facilities, each with its own production loop, upgrades, milestones, and owner.
BUILT FOR THE LONG GAME
Owners continue producing while the app is closed. Return to collect offline earnings, buy upgrades, reach production milestones, and decide when the next mutation is worth it.
THE FIRST RAT IS WAITING
Outbreak Tycoon is coming to Android and iOS. Build your facilities, automate the horde, and climb toward the ultimate mutation.