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How to activate CD-keys, digital keys, game keysAbout How to Grow a Black Hole
So what is
How To Grow a Black Hole is a chill incremental game about feeding, upgrading, researching, and barely controlling the most dangerous cosmic object imaginable.
Start small, feed your black hole, increase its mass, unlock new ways to grow, and push the numbers higher and higher until everything starts getting completely unreasonable. Just make sure things do not spiral too far out of control, because catastrophic collapses are very much part of the experience.
It is not a hardcore astrophysics simulator. It is a weird, satisfying, slightly stupid game about turning a tiny gravitational problem into an enormous one on purpose.
A little absurd. A little terrifying. Oddly hard to stop playing.
What you actually do
Feed your black hole and watch its mass climb.
Unlock upgrades that let you feed it faster, grow it larger, and push the numbers into ridiculous territory.
Research new systems to automate growth, improve efficiency, and keep the chaos moving.
Prevent catastrophic collapses when your black hole becomes a little too unstable.
Compare your black hole’s size and mass to real-world objects, which starts out interesting and gets unsettling fast.
Unlock bite-sized black hole facts, including why even a tiny one would be an unbelievable health hazard.
Compete globally or against friends to see who can grow the biggest black hole.
Why I made it
Hi, I’m Noah. I made this game in my free time because black holes are genuinely insane, and the idea of raising one like the world’s worst cosmic pet sounded too fun not to make.
I love games with giant numbers, satisfying progression, and simple ideas that slowly get out of hand. This started as one of those ideas that would not leave my brain alone, so I turned it into a real game.
I’m also hoping this project helps support the bigger and more ambitious games I want to make in the future. So by playing it, you are not just feeding a black hole. You are also helping me keep making games.
Who it’s for
If you like incremental games, upgrades, research trees, leaderboards, cosmic horror treated a little too casually, and numbers that eventually stop feeling reasonable, this is probably for you.
If you are looking for strict realism and perfectly accurate astrophysics, this probably is not that. It is inspired by real black hole concepts, but mostly it is about making a cosmic problem worse because it feels good to watch the number go up.
Bottom line
How To Grow a Black Hole is a chill incremental game about feeding a black hole, keeping it stable, and trying to grow it bigger than everyone else’s. It is simple, strange, satisfying, and built around one important question:
How big can you make it before everything goes wrong?
Game Specifications
- Single player
- Windows
System Requirements
Windows
Minimum
- Requires a 64-bit processor and operating system
- OS: Windows 10 (64-bit)
- Processor: Dual-core CPU (e.g. Intel Core i3 / AMD equivalent)
- Memory: 4 GB RAM
- Graphics: DirectX 11–capable GPU with WebGL 2 support (most recent integrated GPUs qualify)
- DirectX: Version 11
- Storage: 500 MB available space
Recommended
- Requires a 64-bit processor and operating system
- OS: Windows 10 or 11 (64-bit)
- Processor: Quad-core CPU
- Memory: 8 GB RAM
- Graphics: Dedicated GPU, or recent integrated GPU (smoother 3D + post-processing)
- DirectX: Version 11
- Storage: 1 GB available space
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Price History
Frequently asked questions about How to Grow a Black Hole
What is the cheapest price for How to Grow a Black Hole Steam key?
The cheapest redeemable Steam key currently listed is $3.99 at Steam. Prices were last checked on November 10, 2026.
View key offersWhat is the difference between key and account offers for How to Grow a Black Hole?
Gamescade currently lists 1 redeemable key and no account offers. A key is redeemed on your own account, while an account offer provides access to a separate account containing the game.
View key offersWhat are the PC system requirements for How to Grow a Black Hole?
Minimum PC requirements for How to Grow a Black Hole include a Dual-core CPU (e.g. Intel Core i3 / AMD equivalent) CPU, 4 GB RAM, a GPU with DirectX 11–capable GPU with WebGL 2 support (most recent integrated GPUs qualify), and 500 MB of available storage. See the full requirements below.
What is the How to Grow a Black Hole release date?
How to Grow a Black Hole was released on June 23, 2026.
Is How to Grow a Black Hole single-player, multiplayer, or co-op?
How to Grow a Black Hole is listed as a single-player game. No multiplayer or co-op modes are currently listed.
Where can How to Grow a Black Hole offers be activated?
Current How to Grow a Black Hole key offers can be activated on Steam. Check the retailer page for region restrictions before buying.
Which platforms have active How to Grow a Black Hole deals?
Gamescade currently lists active How to Grow a Black Hole deals for PC.
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