How to Play:
A classic bubble-matching puzzle game.

Objective: Clear all bubbles from the board before they reach the danger line at the bottom.

Gameplay:
1. Aim the gun at the bottom center of the screen
2. Shoot colored bubbles upward toward the bubble grid
3. When a bubble lands, it sticks to the grid
4. Match 3 or more same-colored bubbles to pop them
5. Bubbles that lose connection to the top fall down (bonus points!)
6. New rows of bubbles advance periodically — don't let them reach the danger line!
7. Clear all bubbles to win

Controls:
- Mouse: Move to aim, click to shoot
- Touch: Drag to aim, tap to shoot
- Space / Enter: Shoot
- R: Restart game

Scoring:
- Matched bubble: +10 points each
- Falling disconnected bubble: +5 points each

Difficulty Levels:
- Easy: 4 colors, 5 starting rows, slow advance, 60 shots
- Medium: 5 colors, 7 starting rows, normal advance, 50 shots
- Hard: 6 colors, 9 starting rows, fast advance, 40 shots