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