Glacier Merge

Number merging grid puzzle game.
Slide ice tiles on a grid to combine matching numbers and reach the target glacier block.

- Splash screen displays game branding and preloads configuration settings.
- Main menu screen links to the puzzle board, audio configuration, instructions, and about section.
- Swipe gesture detection captures up, down, left, and right inputs to slide tiles across the board.
- Tile merging logic combines adjacent tiles of matching values ​​into single double-value tiles.
- Grid management spawns random tiles (values ​​of 2 or 4) on remaining empty cells.
- Score calculator updates current score and high score states following merges.
- HUD system displays current score and high score.
- Settings screen enables user control over background music and audio effects.
- How to play screen demonstrates merging rules and target combination goals.
- About screen presents author signatures and product release versions.
- Game over screen launches when the board fills with no valid moves remaining.
- Level complete screen acknowledges milestone tile values ​​reached.