MoonsboxOpen-source game

Moonsbox

Paint materials into a falling-sand world and experiment with heat and reactions.

Browser simulation built in C++.

Opens the creator’s demo. Requirements are listed above.

On GitHub since: Jun 2, 2025
Platforms: Browser
Play style: See the creator’s play options
Code license: GPL-3.0
GitHub stars: 17
Code updated: Aug 26, 2026

Explore the game’s source code

Sources & fact check

Checked 2026-10-20. Platform support can vary by release.

Official source 1 Official source 2

Make room for a good find.

Save this game and keep track of what you play.

From the players

No reviews yet. Tried it? Tell us how it went.

Sign in to review