BLACK HOLE SQUARE — A minimalist puzzle game about gravity, logic, and a very hungry black hole.

━━━ HOW TO PLAY ━━━

Click the Black Hole Square icon in your Chrome toolbar — the game launches instantly inside the popup.

• Tap any square on the grid to activate it

• Use as few taps as possible to clear all squares

• Swipe left to skip a puzzle, right to go back

━━━ FEATURES ━━━

✦ 20+ hand-crafted puzzles

✦ Plays inside the Chrome popup — no new tab needed

✦ Progress saved automatically (localStorage)

✦ Fully offline after install

✦ Zero ads, zero tracking, zero permissions required