Fly to Mars
Launch a spacecraft from Earth to Mars and back again.
Planet Families 2
Build a solar system in 3d.
Rubble!
Save the Earth from asteroids.
Rover Coder
Drive a Mars rover.
Planet Families
Build a solar system (original 2D version).
Matter Sorter
Is it a solid, liquid, gas, or plasma?
Space Stage
Film yourself on the Moon, Mars, and more!
Solar Vision
Look at the Sun in different ways.
Sizemology
Resize objects until they're the correct relative size.
Star Maze
Be a photon, escape the sun.