#### Normal Mode

- Enter the theme selection page, where you can choose from three backgrounds:

- ☀️ **Daytime**: A golden desert under the blazing sun

- **Dusk**: An orange sky bathed in the glow of the setting sun

- **Nighttime**: A starry night scene bathed in moonlight

- The background remains fixed throughout the game and will not change.

#### Challenge Mode

- Enter the game directly, no background selection required

- The background automatically transitions with your score:

- 0-200 points: Daytime background

- 200-400 points: Smooth transition to dusk

- 400-600 points: Smooth transition to nighttime

- 600+ points: Cycles back to daytime, continuously looping

- Smooth crossfade transition effect, no abrupt changes

### Core Gameplay

- **Controls**: Tap anywhere on the screen to make the dinosaur jump

- **Game Objective:** Dodge various obstacles; the longer you survive, the higher your score.

**Scoring Rules:**

- +1 point every 100ms

- +10 points for each obstacle successfully dodged

**Increasing Difficulty:** Obstacles appear randomly with varying spacing, maintaining a challenging experience.

### Obstacle Types

There are four types of randomly appearing obstacles in the game:

| Obstacle | Description | Features |

|--------|------|------|

| **Cactus** | Classic desert plant with sharp thorns | Green rounded trunk with two side branches |

| **Rock** | Heavy rocks in the desert | Brown oval shape with dented texture |

| **Tumbleweed** | Desert shrub rolling in the wind | With rotating lines and dynamic rolling effect |

| **Dune Spike** | Sharp sand dunes rising from the ground | Triangular, light sand-colored, with fine texture |

### Function Pages

#### ?? Game Records

- Displays detailed information for all game matches

- Includes: Game Mode, Final Score, Game Time

- Sorted in reverse chronological order, saving up to 50 records

- Empty Status Indicator: Displays a friendly guide when there are no records

#### ⚙️ Game Settings

- **Sound Effects On/Off**: Controls jump and collision sound effects

- Jump Sound Effect: Short beep

- Collision Sound Effect: Warning sound

- **Vibration On/Off**: Controls collision vibration feedback (200ms)

- **Reset Data**: Clears all game records and settings (with confirmation pop-up)