Matter Sorter
Is it a solid, liquid, gas, or plasma?
Sizemology
Resize objects until they're the correct relative size.
Planet Families
Build a solar system (original 2D version).
Star Maze
Be a photon, escape the sun.
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!
Solar Vision
Look at the Sun in different ways.
Rubble!
Save the Earth from asteroids.
Rover Coder
Drive a Mars rover.