Biology incremental games
20 hand-tagged games, ranked by live Steam and Galaxy ratings.
BIOTOMATA
Grow a living machine cell by cell. Currently the top-rated game on Galaxy.
4.7★ galaxyhas ending
Bugtopia
Raise and breed over 300 real-world insect species in terrariums you landscape yourself, with breeding boxes that can produce rare new bugs.
92% steam
Black Hole FishingUpdated
Use a black hole to vacuum fish from a pond, then breed, inject traits into and research them while feeding the singularity to grow it.
89% steam
The Fly Devourer Tree
Evolve a creature built to eat as many flies as possible, progressing through nine layers so far.
4.3★ galaxy
Simultree
Run simulations of small creatures that eat fruit and reproduce, then use the results to climb a tech tree of new entities, items and foods.
86% steam3.7★ galaxy
Tree Bonsai
Shape a plum bonsai by pruning, feeding, and grafting as it grows on its own through the seasons, blossoming, fruiting, and eventually aging and dying.
81% steam
Karyofox
A fox-themed incremental built on genetics, with level 100 as its endgame.
4.0★ galaxyhas ending
Plague Tree (Vorona Cirus Treesease)
Spread a virus to as many cases as you can, unlocking new layers that push its reach and strength far past anything realistic.
3.8★ galaxy
Zero IDLE
Chase huge numbers by clicking or automation, then prestige, evolve DNA, synthesize nucleotides and grow a destiny tree.
70% steam
FEED THE QUEENUpdated
Grow an insect-like colony by breeding specialized workers and combining foods, evolving the species via a genetics talent tree.
69% steam
Koltera
Mine and train with creatures that each carry genetics, breed them toward perfect stats, trade for rarer species, and grow a garden that summons legendaries.
69% steam
Cell to Singularity: EvolutionUpdated
Click through the history of life from primordial soup to technology, climbing a science tech tree.
Human Evolution - Idle ClickerDormant
Tap to drive life from single cells through fish, apes and humans to cyborgs and beyond, then seed evolution on other planets.
25% idle
Idle evolution: Life on EarthUpdated
Guide life from the ancient seas to human culture while learning about prehistoric creatures along the way.
Idle HumanUpdated
Build a human body starting from one cell, adding bones, organs, nerves and muscles along the way.
Into the Planet’s FleshUpdated
Hatch parasites and spread a grotesque colony through a planet that resists you, with buildings and prestige upgrades. The demo has an ending.
has endingMycelia (共生之网)Updated
A fungal-network incremental where you design a 2D mycelium graph instead of a production list, with tech, automation, challenges and prestige.
MyceliumUpdated
Spread a fungal network through forest soil, weighing nearby poor ground against distant rich deposits since resources must travel back to the core.
Neon Electrogenesis
Excite electrons into atoms and build up six elements until you have enough atoms for one cell. A jam game with no text at all.
2.5★ galaxyhas ending
Intelligent Design: An Evolutionary Sandbox
Seed a world with plants, herbivores, and carnivores whose genes mutate each generation, then leave it running and return to see what evolved or died out.
45% steam90% idle