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How to Grow a Black Hole
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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.
PC (Microsoft Windows) · Jun 23, 2026
Worldwide · Exact date · Full release · IGDB
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Main game
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18 achievements available.
Own every feed source.
LockedSteam
Unlock all research.
LockedSteam
Trigger 10 collapse events.
LockedSteam
Trigger 50 collapse events.
LockedSteam
Acquire 1k curvature!
LockedSteam
Reach lifetime size of 1 meter!
LockedSteam
Upgrade any feed source in any category to tier 7.
LockedSteam
Trigger your first collapse event.
LockedSteam
Researching...
LockedSteam
Reach a diameter of 100 million km (don't leave me murph!)
LockedSteam
Hidden until unlockedSteam
Your blackhole is now the same mass as earth, but its so small :D
LockedSteam
Unlock 5 color palletes.
LockedSteam
Maintain a pressure of 200%+ for a minute.
LockedSteam
Hidden until unlockedSteam
Collapse in a minute or less
LockedSteam
Hidden until unlockedSteam
Make disk matter swing widly in three seconds.
LockedSteam
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