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When to Play Black Hole Square

Black Hole Square fits short logic breaks where you want a tap-to-clear space puzzle without timers - about ~40 KB after Play.

Last reviewed: 2026-07-18

Move-budget puzzles

Move-budget puzzles are what Black Hole Square is for: each board is a self-contained clear-the-grid challenge. Skip ahead or reset with swipes and resume from ftol:blackholesquare:storage later.

Touch-first sessions

Touch-first sessions fit Black Hole Square: tap and swipe on a phone during a commute. Canvas scaling keeps the 320x416 playfield readable.

When to pick another game

When to pick another game instead of Black Hole Square: want pipe rotation? Use Pipe Rotate Puzzle. Want sliding tiles? Use Cyber Slide Puzzle.

See how to play and comparisons.

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Last updated: Jul 29, 2026

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