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How To Grow a Black Hole cover

How To Grow a Black Hole

Achievement list · rarity · tracker · no guide yet, sign in to request one

How To Grow a Black Hole is about... well... how to grow a black hole. Manage your black hole, feed it to gain mass, and prevent catastrophic collapses. Compete globally or against your friends to achieve the biggest black hole. Maybe you'll be #1.

Simulator Strategy Indie
2026 18 achievements
18 achievements
I LIKE BLACK HOLES

I LIKE BLACK HOLES

93.9%

Trigger your first collapse event.

Certified Scientist

Certified Scientist

92.2%

Researching...

Hello World!

Hello World!

82.3%

Your blackhole is now the same mass as earth, but its so small :D

Its a grower, and a shower.

Its a grower, and a shower.

53.6%

Reach lifetime size of 1 meter!

Big Leagues

Big Leagues

53.0%

Trigger 10 collapse events.

Unstable Stability

Unstable Stability

52.9%

Make disk matter swing widly in three seconds.

Singularity of Style

Singularity of Style

49.4%

Unlock 5 color palletes.

A steak? A STEAK?!

A steak? A STEAK?!

49.2%
We're RICH!!!

We're RICH!!!

43.9%

Acquire 1k curvature!

Are you sure?

Are you sure?

31.6%
Master of the Singularity

Master of the Singularity

25.8%

Trigger 50 collapse events.

Any %

Any %

24.4%

Collapse in a minute or less

I really like this one :)

I really like this one :)

8.7%

Upgrade any feed source in any category to tier 7.

TASTE MY LIBER-TEA!

TASTE MY LIBER-TEA!

6.7%
UNDER PRESSURE

UNDER PRESSURE

3.6%

Maintain a pressure of 200%+ for a minute.

How did you get this?

How did you get this?

1.6%

Own every feed source.

Gargantua

Gargantua

0.6%

Reach a diameter of 100 million km (don't leave me murph!)

Genius, billionaire, playboy, black hole

Genius, billionaire, playboy, black hole

0.0%

Unlock all research.

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