PetBlwk

"## �� Game Mode

### ?? Score Mode
- Countdown: 2 minutes
- Number of steps: 30 steps
- Settlement: Score will be displayed after time runs out or steps run out
- UI: Displays score, remaining time, remaining steps, and combos

### ♾️ Endless Mode
- No time limit, no step limit
- Trigger shuffle and continue after no feasible moves
- UI: Display scores and combos, and the number of steps is displayed as "∞"

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## ?? Core gameplay and rules
- Click on any grid to select; click on the adjacent (up/down/left/right) grid again to trigger the exchange
- If a straight line (horizontal/vertical) with ≥3 identical animals is formed, it will be judged as a match and cleared.
- After clearing, the top falls to complete, and new blocks are generated at the top to complete, supporting chain elimination.
- If no match is formed after the exchange, the animation will return to the original position.
- Automatically detect when there is no feasible move, shuffle the cards, and automatically eliminate the initial connection after shuffling

### Scoring rules (basic value)
- 3 consecutive runs: 100 points
- 4 lines: 200 points
- 5 companies: 400 points
- 6 companies: 800 points
- Combo bonus: combo +10% per level
"