Mini Space Survival Game

Build a complete, playable sci-fi survival game using HTML5 Canvas, CSS, and JavaScript. This detailed prompt covers enemy AI, asteroid hazards, weapon upgrades, four power-ups, wave progression, scoring, responsive mobile controls, sound effects, pause/resume, settings, and persistent high scores. Includes modular architecture, performance optimization, testing requirements, and setup documentation. Ideal for developers and indie game creators who want a polished browser-based arcade game.