Pocket Galaxy vs Solar System Sim

Place a moon, let go, and watch it fall into orbit around the planet you just made. Pocket Galaxy is a 3D gravity sandbox where realistic space physics meet total creative freedom. Spawn planets, stars and gas giants, place them in orbit, and watch a living solar system come to life. Then take it apart: heat worlds until they glow, freeze them solid, explode them, or smash two together. No levels, no timers, no pressure. The sandbox is the whole game, and nothing in it is on rails. What you can do • Build a universe from a huge variety of procedural planets, stars and gas giants • Simulate realistic gravity and orbital motion in an open 3D sandbox • Reach for cosmic tools: asteroid storms, solar rays, ice rays and explosions • Tune each planet's gravity, size and orbit, even give it repulsive gravity • Unlock new planet and star types as you experiment • Nurture a world until life begins, and follow it in the Planet Journal • Capture and share screenshots of your universe • Save and load your galaxies anytime Nudge an orbit and let gravity take over, engineer a perfectly balanced system, or wipe it out in a single collision. The sandbox is entirely yours. Free to download and play, with ads. An in-app purchase removes them. No account required, and it suits all ages.

Zoom from a planet's surface out to distant galaxies, then reshape the whole system with your own hands. Solar System Sim is a real-time gravity sandbox built on Newton's laws and real astronomical data. Every body you add, move or destroy recalculates the orbits of everything else, live. • Smash worlds together: impact craters carve into the surface, firestorms sweep the globe, and glowing debris rains back down. • Build your own universe: add planets, moons, asteroids and comets with their own size, mass and looks, or customise the ones already there. • Land anywhere: drop to a first-person view on any planet's surface and experience its environment. • Sculpt rings: add particle rings and watch gravity shape them in real time. • Witness real eclipses: solar and lunar, with real-world astronomical precision. • Follow comets: watch them streak past and interact with the bodies they meet. • Leave the Solar System: travel to remarkable nearby stars and find them within the Milky Way. • Feel the scale: see the true vastness of space, from a pebble-sized moon to the nearest galaxies. Whether you're here to learn how gravity really works or just to break planets with it, explore at your own pace. Start your cosmic adventure with Solar System Sim.