ARROWS/WASD: Move  |  SPACE: Fire  |  P: Pause  |  ENTER: Start
``` ## Features This game includes: **Gameplay** - Horizontal scrolling with 3-layer parallax starfield - Player ship with smooth movement (arrows/WASD) and thrust animation - Multiple weapon levels (single → double → spread shot) - 5 enemy types: grunts, zigzaggers, darters, tanks, and shooters - Boss enemy every 3 levels with escalating fire patterns - Power-ups (weapon upgrade & extra lives) - 3 levels to win, increasing difficulty **Retro C64 Aesthetic** - Authentic 16-color C64 palette - Pixel-perfect rendering with `image-rendering: pixelated` - Screen shake on impacts - Particle explosion effects - Blinking invulnerability frames - Scanline-free clean vector look **Audio** (Web Audio API, no files needed) - Distinct sounds for shooting, explosions, power-ups, boss attacks - Retro square/sawtooth wave tones **UI** - Title screen with animated ship - HUD showing score, level, and lives - Game over screen with final stats - Pause functionality Just save it as an `.html` file and open it in any browser — no dependencies required!