unBorn
Games like unBorn

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single-players with secrets you find without a guideor

Games like unBorn

A quirky, slow-paced survival sim about a spermatozoon's journey through a hostile reproductive system, with mixed reviews on its simplicity and charm.

Microcosmum: survival of cells
A casual action-strategy game about surviving as a single-celled organism in a microscopic world, with light RPG progression and a roughly 8-hour playtime.
2015-07-24
- Action

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Games like unBorn | IndieDex

unBorn
Games like unBorn

Find the Steam hidden gems

single-players with secrets you find without a guideor

Edit search

Games like unBorn

A quirky, slow-paced survival sim about a spermatozoon's journey through a hostile reproductive system, with mixed reviews on its simplicity and charm.

Microcosmum: survival of cells
A casual action-strategy game about surviving as a single-celled organism in a microscopic world, with light RPG progression and a roughly 8-hour playtime.
2015-07-24
- Action

Strategy

Indie

Simulator

Role-playing (RPG)

COCKHEAD

A short single-player adventure starring a penis, with hand-drawn art and Big Band jazz, though reception is mixed.

2020-09-27

Action
Adventure
Indie
Simulator
Sport

Sparkle ZERO

An indie action-sim about evolving an organism from zero through resource competition, with a strange X-ray microscopic look and a ~4-hour run time.

2016-03-14

Action
Bird view / Isometric
Indie
Simulator
Arcade

Spermination

A short, crude comedic racing game where you play as a sperm racing 1,000 rivals to the egg, collecting absurd baby gnome trophies.

2015-04-29

Action
Indie
Racing
Virtual Reality

Germ Wars

A single-player action game where you fight germs as a white blood cell, with ramming and upgrade mechanics and mixed reviews.

2016-11-21

Action
Indie

Eon of Life

A 2.5D single-player sim guiding a creature's evolution over eons, balancing food, predators, and mutations; limited early reviews are mostly positive with one frustrated voice, and sessions run under an hour.

2025-11-24

Survival
Indie
Simulator

Mytosis

A short, experimental incremental game about evolving life forms procedurally, with casual idle mechanics and a low-pressure exploratory tone.

2026-01-28

Strategy
Indie
Simulator

Infectious

A short action-simulation game about playing as a virus that infects organs and battles immune cells, with mixed reviews and praised visuals.

2020-08-20

Action
Indie
Simulator

Going Viral

A short, casual action-sim where you play a T-Cell defending the body by consuming pathogens and upgrading allies, with educational biology themes and light puzzle elements.

2026-03-25

Action
Simulator

SpermDash精疲力尽

A playful short runner game where you race a sperm to pass on love.

2020-09-08

Action
Racing
Sport
Erotic

Super Infection Massive Pathology

A challenging wave-based action game where a brave bacteria fights immune-system creatures with organic weapons to rescue his fiancée.

2025-06-30

Action
Indie

Lifeforms: Binary Fission

A compact bacterial-evolution roguelite about cloning, mutating, and swarming enemies, with a fun hook held back by limited content.

2024-07-03

Bird view / Isometric
Simulator
Arcade

Microcosmum: survival of cells