Game Features: Player-controlled ship (left/right movement, shooting). A grid of aliens moving side-to-side, descending over time. Basic collision detection (bullets vs. aliens, aliens vs. player). Score display and game-over condition. Optional: Sound effects, barriers, or UFO bonus (if time allows). Game Controls: Left Arrow: Move ship left. Right Arrow: Move ship right. Space: Shoot bullets. Esc: Pause/Resume game. P: Pause/Resume game. Q: Quit game. R: Restart game. M: Mute/Unmute sound. F: Fullscreen toggle. H: Show/hide help screen. Project Tech Stack: HTML5 Canvas for rendering. JavaScript for game logic. Phaser.js CSS for styling. Vite for development server and build tool. Git for version control.