目標
在 4×4 棋盤上合併數字方塊，儘量提高得分。
合併規則
- 1 + 2 = 3（或 2 + 1 = 3）
- 3 + 3 = 6，6 + 6 = 12，12 + 12 = 24 …（相同且 ≥ 3 的方塊合併為兩倍）
- 每個方塊每次滑動只能參與一次合併
新方塊
- 每次滑動後（有移動時），在棋盤邊緣隨機生出 1 或 2
- 新方塊出現在「滑動方向的反面」邊緣
- 上方「下一個」預覽會提示即將出現的數字
遊戲結束
棋盤滿且四方向均無法合併或移動。
操作
Goal
Merge numbered tiles on a 4×4 grid to score as high as possible.
Merge Rules
- 1 + 2 = 3 (or 2 + 1 = 3)
- 3 + 3 = 6, 6 + 6 = 12, 12 + 12 = 24 … (matching tiles ≥ 3 double)
- Each tile participates in at most one merge per swipe
New Tiles
- After each move, a new 1 or 2 spawns at the edge opposite the swipe direction
- The "NEXT" preview shows what tile will appear next
Game Over
Board is full and no merges or moves are possible in any direction.
Controls
- Arrow keys ↑↓←→ to swipe
- Touch: swipe in any direction