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