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