Play Planet Gravity online to create planets, launch asteroids, and solve gravity puzzles in your browser. The game offers mission levels and a free sandbox mode so you can learn orbital behavior while having fun.
Whether you want a quick casual puzzle or a longer creative session, Planet Gravity provides clear objectives and an open-ended sandbox. Start a level, place objects, and watch gravity shape your system.
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Desktop
- Left click: select or place objects.
- Click and drag: set launch direction and speed.
- Right click (or Delete): remove selected object.
- Mouse wheel: zoom in and out.
- Arrow keys or WASD: pan the view.
- Space: pause or resume simulation. R: reset level.
Mobile
- Tap: select or place planets and objects.
- Drag: set initial position and drag a velocity vector to launch objects.
- Pinch: zoom in and out.
- Two-finger drag: pan the view.
- On-screen buttons: pause, reset level, switch modes.
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Planet Gravity is a 2D physics sandbox and puzzle game that simulates gravity and orbital motion. You place planets, asteroids, and bombs, then watch how gravity pulls objects together. Each level gives specific missions such as creating a stable orbit, guiding an asteroid to a target, or protecting a planet from impact.
The game uses simple but accurate gravity rules so you can experiment with mass, velocity, and distance. You can solve structured levels with set goals or switch to free sandbox mode to build your own mini solar systems. Play short puzzle levels to test your logic or spend time designing complex orbital systems. The game focuses on discovery and problem solving, making it suitable for casual players and anyone curious about space mechanics.
- Objectives: complete level missions or create freely in sandbox mode.
- Physics: objects interact based on mass and distance to produce realistic orbits.
- Progression: levels increase in challenge and introduce new mechanics like bombs and moving targets.
- Replay: experiment with different setups to find stable configurations or fast solutions.
Game Details
Category
Puzzle
Developer
Unknown
Technology
HTML5
Platform
Web Browser
Devices
Desktop, Tablet, Mobile
Game Features
Realistic Gravity Simulation
Objects interact using mass and distance so orbits and collisions feel natural and predictable.
Mission-Based Levels
Progress through levels with clear goals, such as creating stable orbits or guiding asteroids to targets.
Free Sandbox Mode
Build full solar systems without constraints to test ideas and create striking orbital setups.
Simple Controls
Easy point and drag controls let players focus on strategy and experimentation, not complex inputs.
Short Sessions or Long Play
Play quick puzzles for a few minutes or spend hours designing complex systems and testing solutions.
Frequently Asked Questions
Read the level objectives, place or launch objects to meet those goals, then run the simulation and adjust as needed until the mission conditions are met.
Yes. The game supports touch controls. Use tap to place items, drag to set launch vectors, pinch to zoom, and on-screen buttons to pause or reset.
Sandbox mode lets you place any number of planets and asteroids without mission limits. Use it to experiment with gravity and design stable orbits.
Start with a larger central mass and place a smaller object at a moderate distance. Set the launch speed tangent to the desired orbit path and adjust speed slowly until the orbit stabilizes.
Progress for mission levels is saved in the browser or app when supported. Sandbox creations may need manual export or saving depending on the platform.