Cosmic Sandbox

Cosmic Sandbox - Play Online

Space physics playground. Cosmic Sandbox lets you spawn planets, stars, black holes. Watch gravity do its thing. Smash worlds. Build solar systems. It's all pixel-based destruction meets orbital mechanics.

How to Play Cosmic Sandbox

Your mission? Simple. Create stable orbits. Or don't. Throw planets at each other. The goal is experimentation. Build a functioning solar system or watch everything collapse into a black hole. No wrong answers here.

Spawning and Placing Objects

Click the panel. Pick your object—planet, star, black hole. Drop it in space. Drag to set velocity. Adjust rotation if you want. Release. Now gravity takes over. Every body pulls on every other body. Real physics. Watch orbits form—or watch chaos erupt.

Gravity and Destruction

Objects have internal layers: crust, mantle, core. Strong forces tear them apart. Pixels scatter. Inner structure exposed. A planet under stress? Breaks into fragments. Each piece still has mass. Still pulls. Collision? Total pixel carnage. Black hole nearby? Everything spirals in.

Camera and Observation

Zoom in. Zoom out. Pan around. Follow a comet. Watch a binary star dance. Cosmic Sandbox gives you full camera control. Track individual objects or pull back for the big picture. Speed doesn't matter—simulation runs smooth.

Experimentation Strategy

Start small. Two bodies. Set one in orbit around the other. Nail the velocity. Too fast? Escapes. Too slow? Crashes. Add a third body. Now it's unpredictable. Want stability? Low velocities, circular paths. Want destruction? High-speed impacts, massive black holes. Mix light objects with heavy ones. Watch the small ones get flung out.

Key Features

• Pixel-Based Physics: Every object made of pixels. Crust, mantle, core layers visible when torn apart.
• Real Gravity Simulation: Mass matters. Distance matters. Orbits form naturally from initial conditions.
• Endless Sandbox Mode: No objectives. No levels. Pure experimentation with space objects.
• Dynamic Destruction: Bodies deform and break under gravitational stress. Fragments keep interacting.
• Pixel Art Style: Clean retro aesthetic. Runs lag-free even with dozens of objects.
• Full Camera Control: Zoom, pan, track. Observe your creations from any angle.

Who is Cosmic Sandbox for?

Perfect for physics nerds. Great for anyone who wanted to play god with gravity. Casual enough for quick experiments. Deep enough to lose hours tweaking orbital parameters. If you ever stared at space simulations, this is your playground.

Release Date & Developer

Cosmic Sandbox was developed by fun-games. Released in April 2026.

Controls

• Mouse Click: Select and place objects
• Mouse Drag: Set initial velocity and rotation
• Mouse Wheel: Zoom camera in/out
• Click + Drag (Empty Space): Pan camera view