完整说明：
MergeUp! Digital Puzzle Master – Full Game Guide
MergeUp! is a captivating number-merging puzzle game designed to test your strategy, foresight, and quick thinking. With three escalating difficulty levels, it offers endless fun as you strive to combine tiles and reach ambitious targets. Here’s everything you need to know to play:
Core Gameplay
Swipe up, down, left, or right to move number tiles. Merge identical tiles to sum their values (e.g., 2+2=4). After each swipe, a new 2 or 4 tile appears randomly.
Special Merging Rules
-4x4 Board: Consecutive triples (e.g., 2-2-2) merge first two, then the result merges with the third (→4-2→4-4→8).
- 6x6 Board: Chain merges full rows/columns (e.g., 2-2-4-4→4-4-4→8-4).
Levels
- Beginner: 4x4 grid, target 2048. Master basics here.
- Intermediate: 5x5 grid, target 4096. More complex, demands planning.
- Expert: 6x6 grid, target 8192. Requires advanced strategy.
Features
- Undo (1-5 steps), restart, and music toggle.
Win/Lose
Win by hitting the target; lose if no moves/adjacent matches remain.
Enjoy merging!