Sensors Sandbox

Probe available sensorsApache-2.0

GApps Browser

Sandbox for web appsMIT

Minetest

Near infinite world block sandbox gameLGPL-2.1-or-later

freeminer

Minecraft-inspired sandbox gameGPL-3.0-only

WebApps Sandboxed Browser

WebApps turns mobi/web app sites into secure apps! Open source.MIT

Particle Physics Simulator

Particle Physics Simulator offers a physics sandbox with n-body capabilities wheGPL-2.0-only

Mindustry

A factory-based sandbox tower defense gameGPL-3.0-or-later

Screeps

Web based client for ScreepsMIT

Endless Sky

Android port of endless-sky space trading game.GPL-3.0-only