Pixel Space Sandbox Engine - Sell Project

=== SHORT DESCRIPTION (под названием) === Pixel-art HTML5 space sandbox with gravity, collisions, supernovae and black holes. === PROJECT DESCRIPTION === A pixel-art space sandbox for mobile and desktop browsers, built with pure HTML5 Canvas and JavaScript in a single file, no engines or dependencies. What's in it Place and throw planets, gas giants, stars, pulsars, black holes and quasars; tap any body to edit its mass, size and type Gravity with orbit forecasts, collisions (merge, crater, shatter), tidal disruption, supernovae, hypernovae, kilonovae, black hole and quasar mergers 3 modes: Realistic, Arcade (scenarios), Creative (custom gravity, time and physics switches) 10-step interactive tutorial, trails, sound, Solar System preset Status: playable prototype (vertical slice). Not published, no revenue. Needs saving, achievements and platform integration before a commercial release. Selling the full source code and commercial rights to one buyer. DM for a playable build or preview video. === HOW THIS PROJECT WAS BUILT → OTHER === Pure HTML5 Canvas API, no game engines or libraries. Single-file, lightweight and easy to modify. === OTHER TECHNOLOGIES & SERVICES USED === Built as a physics-focused project: gravity, collisions, supernovae, black hole accretion disks and gravitational waves in a pixel-art simulation. Currently a playable demo (vertical slice), never published or used commercially.