Nursery

A nebula sandbox. Create stars from cosmic dust, crash comets into planets.

Nebulae

• Drag cosmic dust to re-arrange the nebula.
• Click and hold to collapse the dust into a new star.
• Click a star to zoom into its solar system.

Solar systems

• Click on planets or comets to zoom in. Click again to inspect.
• Click an empty area to zoom out from a planet/comet.
• Right-click and drag to rotate camera.

Comets

• Comets are located on the outskirts of each solar system.
• Each comet contains a certain type of chemical compound.

Impacts

• Perturb comets and smash them into planets using the blue dial in the comet inspector.
• The angle of impact will move a planet towards or away from its star.
• The composition of the comet will be mixed into the target planet.

Planets

• The appearance of a planet will be determined by its chemical composition and orbit.
• A message will appear when a planet becomes habitable.