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"Basic rules

Game Grid: The game is played on a 4x4 grid

Movement method: Swipe in any direction (up, down, left, right) to move all blocks

Merge rules:

1 + 2 = 3

Starting from 3, only the same numbers can be combined (for example: 3+3=6, 6+6=12, 12+12=24, etc.)

game mechanics

New blocks appear: after each move, a new block is generated from the side opposite the sliding direction

Next block preview: The value of the next block will be displayed at the top of the screen

Game Over: The game ends when no moves are available

Scoring system

Your score is calculated based on the value of the remaining squares on the board:

3 = 3 points

6 = 9 points

12 = 27 points

24 = 81 points

And so on (the score of each square is 3 to the nth power)

Features

Rich sound effects: supports MP3 audio feedback and has automatic format rollback function

Beautiful custom dialog boxes: Pause, exit, and new game dialog boxes are designed with gradient backgrounds

Merge animation only: trigger drag animation only when blocks can be merged

Sequential animation system: new blocks are displayed after the movement animation is completed

Original Threes mechanism: each move only moves one space, completely following the original rules

Exquisite visual design: gradient background, colorful title text, beautiful UI elements

Beautiful game over page: Exclusive game over screen with detailed statistics and achievements

Comprehensive leaderboards: Track top scores and provide multiple ways to sort by score, number of moves, largest blocks, efficiency, and more

Intelligent gesture recognition: only effective movement will trigger the drag animation

Spring feedback animation: Invalid movement triggers slight bouncing feedback

Real-time drag animation: The block moves with your finger when dragging, and you can preview the movement effect in real time

Smooth block animation: blocks move and merge with smooth animation effects

Interactive feedback: the block appears transparent and previews when dragged

Separate interface: clear main menu and exclusive game interface

Multiple themes: supports classic, dark and color theme switching

Icon options: switch between different styles of App icons

Score record: record the current and historical highest scores in real time, and the data is saved persistently

Game Control: Supports pause, resume, undo and step counting

Portrait mode: a gaming experience optimized for portrait screens

Interactive Tutorial: Built-in "How to Play" guide page

strategy skills

Focus on the next square: plan your moves in advance based on the preview squares

Corner strategy: try to keep the block with the largest value in the corner

Quick merge 1 and 2: they will not be scored, merged first

Keep Space: Leave as much space as possible for ease of operation

Think ahead: every step must consider the impact on the follow-up"