The user wants me to build a top-down alien shooter game using Phaser.js. Let me plan this out:

1. Single HTML file with inline CSS and JS
2. Use the pre-provided phaser.min.js (local file, not CDN)
3. Procedurally generated graphics (no external assets)
4. WASD movement
5. Mouse aim and click to fire
6. Waves of advancing aliens
7. Health system
8. Score system
9. Increasing difficulty

Let me first check that phaser.min.js exists in the current directory.

Good, the file exists. Let me build the complete game in a single index.html file. I need to:

1. Create a top-down alien shooter
2. WASD movement
3. Mouse aim and click to fire
4. Waves of aliens that advance toward the player
5. Health system
6. Score tracking
7. Increasing difficulty (more aliens, faster, tougher)
8. All procedurally generated graphics (using Phaser's graphics/drawing APIs)
9. No external assets

Let me design the game:

- Player: a spaceship drawn with Phaser graphics
- Aliens: different colored alien shapes
- Bullets: simple projectiles
- Background: starfield
- UI: health bar, score, wave indicator

Game mechanics:
- Player moves with WASD
- Player aims with mouse cursor
- Click to shoot bullets toward cursor
- Aliens spawn in waves from edges
- Aliens move toward the player
- Different alien types (basic, fast, tank)
- Waves get progressively harder (more aliens, faster spawn, tougher aliens)
- Player has health, aliens deal damage on contact
- Score increases when aliens are killed
- Game over when health reaches 0

Let me write this comprehensive game.

Wait, the output seems truncated. Let me check if the game is properly instantiated.