Nebula Run

This is an offline endless runner game set in space.
You pilot a rocket ship to avoid obstacles and collect crystals.

- Main menu screen displaying the personal high score and access to settings.
- Settings screen with configuration toggles for music and sound effects.
- How to play screen showing instructions, controls, and active items.
- Endless space runner gameplay screen displaying real-time score and distance.
- Player-controlled rocket ship with touch vertical thrusting movement.
- Procedural generation of obstacles including red asteroids.
- Collection of green space crystals that award score points.
- Combo multiplier system that increases with consecutive crystal collections.
- Action items including shield protection, double score multiplier, and slow-motion.
- Audio systems for background music and sound effects using raw audio generation.
- Particle explosion effects on collisions and crystal collection.
- Game over screen displaying final score, high score, and restart button.