BIOLAB Patch is LIVE
Fallen Leaf
BIOLAB PATCH Is Live
Meow there, Cat Friends
A brand-new update has arrived in Ultra Mega Cats , introducing the new Biolab levels !
What’s New
New Levels on Biolab – explore new areas and survive experimental chaos Toys – rare upgrades with unique effects for each character Hamster Rework – still cute… but more dangerous
Fixes
Biolab level generation issues fixed Vending Machine bug resolved VFX improvements
-40% discount live now
Perfect time to jump in and explore the Biolab
This is just the beginning. More content is coming soon!
This announcement was originally published by Fallen Leaf on Steam on Apr 18, 2026.
Open the original on Steam