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is a pixel-style endless running game where players control a small dinosaur running through a desert landscape, tapping the screen to jump and avoid cacti on the ground and birds in the air. The game pace gradually increases over time, testing your reaction speed and rhythm mastery.

III. Core Gameplay Description

1. Game Rules
Tap the screen to control the dinosaur's jumps

Dodge obstacles (ground cacti & air birds)

The longer you survive, the higher your score

The game speed gradually increases over time

Hitting any obstacle ends the game immediately

2. Game Objectives
Survive longer to get a higher score

Strive to break your own high score

Familiarize yourself with obstacle patterns to achieve precise jumps

IV. Functional Requirements

1. Game Interface Components
Area Function Description
Main Menu
Displays the game title, character animation, start game, settings, and high score button
Game Main Interface
Displays the dinosaur character, dynamic background, obstacle generation, and score counter
End Interface
Displays the current score, best historical score, replay, and return to main menu buttons
Settings Interface Features include sound effects on/off, character selection, and theme/background switching.

Character Selection Interface: Preview and switch dinosaur skins.

Background Theme Selection: Preview daytime, nighttime, and dusk styles.

2. Core Functional Modules

Module | Function Description

Character Control: Click anywhere to control the dinosaur's jump, supporting different heights and reaction frames.

Obstacle Generation: Randomly generate ground cacti and aerial birds, supporting different combinations and frequencies.

Score System: Real-time accumulated score, calculated based on survival time and successful obstacle avoidance.

Difficulty Progression: Game speed increases by one level at regular intervals, increasing challenge.

High Score Record: Stores the highest score locally, displayed for comparison at the end of the game.

Customization Function: Select different character skins and background themes, saving player preferences.

Sound Effects System: Sound effects feedback for jumping, scoring, and failing; can be turned on/off.

V. Non-Functional Requirements

1. UI Style: Pixel art style combined with modern gradient elements.

Dynamic background including sun/star animations and floating clouds.

Rounded corners + gradient button design for a clear and intuitive interface.

2. Sound Feedback

Jump Sound Effect: Crisp bounce sound

Score Sound Effect: Gradually increasing notification sound

Collision Failure: "Explosion" sound effect feedback

Supports one-click mute and real-time volume adjustment

3. Compatibility Requirements

Supports mainstream devices such as 16:9, 18:9, and full-screen displays

Minimum support for Android 8.0 (API 26) and above

Forces portrait orientation, disallows landscape orientation

4. Privacy Compliance (Google Play Listing Standard)

Does not collect any user privacy data

Does not use sensitive permissions such as storage, contacts, or location

Runs offline, no network connection required

VI. Optional Extended Functions

Function Description

Achievement System
Unlock titles by achieving specific goals (e.g., 100 jumps, 3 minutes of survival)

Leaderboard Function
Displays the highest global/local score (internet connection required)

Item Support
Adds random items such as "double jump" and "invincibility shield" for pickup and use

Day/Night Cycle
Automatically switches between day/night/dusk backgrounds based on system time

VII. Game Screenshots and Illustrations (Under Development)

?? Main Menu Interface: Gradient desert background + dynamic clouds and sun

Center: bouncing dinosaur + game buttons (Start, Settings, High Score)

Trophy icon displays highest score